Performer
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio rank
#465
of 909177 performers
Top 1%
Rikiya Koyama works on versatility rather than volume, and the catalogue keeps proving that the quieter choice was the correct one.
The essay
Our editors on the work, the patterns and the reason this body of work holds together.
Rikiya Koyama appears in 30 films in the Nutevio catalogue, and none of them would work the same way without Rikiya. Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train is the clearest case: a film rated 8.2 by our editors, where the performance carries weight the script only implies.
The recognisable elements are versatility, transformation, quiet performance. Watch two of these films back to back and the method separates from the material — the same instrument, tuned differently for action, mystery, crime. It is a style built on what is withheld as much as what is played.
Working with Takahiro Hasui, Haruo Sotozaki, Katsuya Shigehara and others, Rikiya Koyama helped set a standard other performers now audition against. Awards bodies have been slower than the work, which is usually the sign of a career built on choices rather than campaigns.
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020) as Shinjuro Rengoku (voice) · Bungo Stray Dogs: Dead Apple (2018) as Yukichi Fukuzawa (voice) · Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025) as (voice)
Career snapshot
Ranked #465 of 909177 performers tracked in the Nutevio library.
Films in Nutevio
30
2003–2026
Career length
23 yrs
Measured across our catalogue
Academy Awards
—
Unknown
Oscar nominations
—
Unknown
Highest Nutevio score
8.2
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
Average Nutevio score
6.9
Across catalogue work
Highest IMDb rating
8.2
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
Most frequent director
Chika Nagaoka
3 films together
Longest collaboration
3×
With Chika Nagaoka
Most common genre
Animation
28 titles
Average runtime
1h 33m
Across catalogue work
Golden Globe wins
—
Unknown
Nutevio metric
Ten weighted categories, applied identically to everyone we cover.
Nutevio Performer Score
6.9
out of 10
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio metric
Cultural impact and legacy, measured separately from craft — how far the work travelled once it left the cinema.
Nutevio Influence Score
6.7
out of 10
A quieter influence — felt inside the films rather than across the industry.
How far the work travelled past the people who saw it first.
What survives once the release-week conversation has burned off.
Institutional acknowledgement, weighted but never decisive.
Years of chosen, relevant work rather than years merely employed.
Statuettes, read as evidence rather than verdict.
Roles named without needing the film named alongside them.
Directors who wrote parts because this performer existed.
The reading other performers now have to answer.
Actor DNA
A fingerprint derived from the roles themselves — register, range and the kind of film they carry.
The shape of a career
Every performance plotted in time. Hover a point to read the title behind it.
Peak years
Where the scores, the awards and the sheer volume of work agree with each other.
Best decade
2000s
7.6 average MV
The 2000s are where the work and the material meet. Tokyo Godfathers — the run our editors reach for first when the argument is about range rather than fame.
Highest average Nutevio score
2000s
7.6
Across 1 catalogue film in this decade, our scores never drop below the level a career is judged on.
Highest average IMDb rating
2000s
7.9
The public agrees most strongly about this stretch — useful context, and occasionally a decade behind our own reading.
Most awarded era
2000s
0 Academy Awards
Statuettes for the films themselves, which is the honest way to read an ensemble career. Tokyo Godfathers.
Most productive era
2020s
18 films
The busiest stretch of the catalogue — volume that reads as appetite rather than availability.
Range, mapped
Genres down the side, decades across the top. Warmer cells mean stronger titles.
| Genre | 2000s | 2010s | 2020s |
|---|---|---|---|
| Drama | 7.61 film | 6.61 film | 7.13 films |
| Action | — | 6.89 films | 7.010 films |
| Thriller | — | — | 7.12 films |
| Comedy | 7.61 film | 8.11 film | 7.22 films |
| Crime | — | 6.54 films | 6.98 films |
| Romance | — | — | 6.83 films |
| Horror | — | — | 7.71 film |
Chronology
Firsts and peaks
The turning points, in the order they happened.
First film in Nutevio
2003Tokyo Godfathers
Where our catalogue meets this career, as Shinrou (voice).
Highest rated performance
2020Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
8.2 on the Nutevio scale, the top of the catalogue for this performer.
Career peak · Most recent film
2026Detective Conan: Fallen Angel of the Highway
Weighing billing against the film's own quality, this is the point where everything aligned at once. The current state of the argument, as Kogoro Mouri (voice).
Our order
Every performance in the catalogue, ordered by Nutevio Score.
Every title
Filter by genre or decade, and compare any two titles side by side.
30 of 30 films
as Kogoro Mouri (voice)
Directed by Takahiro Hasui
as Shinjuro Rengoku (voice)
Directed by Haruo Sotozaki
as (voice)
Directed by Haruo Sotozaki
as Yukichi Fukuzawa (voice)
Directed by Takuya Igarashi
as Kaoru's Father (voice)
Directed by Tomohisa Taguchi
From the library
Every movie and TV credit stored for this name in the Nutevio catalogue — filter by media, role or sort by rating.
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The defining work
#1
Kogoro Mouri (voice)
Detective Conan: Fallen Angel of the Highway (2026)
Performance score8.1
The performance the rest of the career is read through. Kogoro Mouri (voice) gives Rikiya Koyama a structure to work against, and the film hands over its centre of gravity without hesitation.
View movie#2
Shinjuro Rengoku (voice)
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020)
Performance score7.9
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train asks for something the previous films did not, and gets it. Shinjuro Rengoku (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#3
(voice)
Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)
Performance score7.8
Demon Slayer: Kimetsu no Yaiba Infinity Castle asks for something the previous films did not, and gets it. (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#4
Yukichi Fukuzawa (voice)
Bungo Stray Dogs: Dead Apple (2018)
Performance score7.8
Bungo Stray Dogs: Dead Apple asks for something the previous films did not, and gets it. Yukichi Fukuzawa (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movieStart here
A guided path through the work, ordered so each film explains the next.
Best entry point
as Kogoro Mouri (voice)
Start here. Detective Conan: Fallen Angel of the Highway is the clearest statement of what Rikiya Koyama does — accessible, 109 minutes, and rated 7.8 by our editors. No context required.
Our editors order this path by accessibility first and chronology second. You meet Rikiya at the most legible performance, then move forward in time so each film reads as a response to the one before it rather than a repetition of it.
Bungo Stray Dogs: Dead Apple (2018)
Keeps the action register of Detective Conan: Fallen Angel of the Highway but asks for a colder reading of it.
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020)
Keeps the action register of Bungo Stray Dogs: Dead Apple but asks for a colder reading of it.
The Tunnel to Summer, the Exit of Goodbyes (2022)
Keeps the fantasy register of Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train but asks for a colder reading of it.
Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)
Keeps the fantasy register of The Tunnel to Summer, the Exit of Goodbyes but asks for a colder reading of it.
Company kept
The directors and performers this career keeps returning to.
Chika Nagaoka
Director
3 films together
Notably Detective Conan: The Million-Dollar Pentagram
Naoyoshi Shiotani
Director
2 films together
Notably Psycho-Pass: Sinners of the System - Case.2 First Guardian
Hiroyuki Imaishi
Director
2 films together
Notably Promare / Side: Galo
Yasuichiro Yamamoto
Director
2 films together
Notably Detective Conan: Kaiju Gomera vs. Kamen Yaiba
Haruo Sotozaki
Director
2 films together
Notably Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
Satoshi Kon
Director
1 film together
Notably Tokyo Godfathers
Takuya Igarashi
Director
1 film together
Notably Bungo Stray Dogs: Dead Apple
Kenji Nagasaki
Director
1 film together
Notably My Hero Academia: Two Heroes
Tatsumi Fujii
Director
1 film together
Notably Promare / Side: Lio
Fuminori Kizaki
Director
1 film together
Notably Human Lost
Kazuya Nomura
Director
1 film together
Notably BlackFox
Yuta Murano
Director
1 film together
Notably Kakushigoto Theatrical Edition
Ryuta Tasaki
Director
1 film together
Notably Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
Hiroyuki Seshita
Director
1 film together
Notably Knights of Sidonia: Love Woven in the Stars
Takayuki Hirao
Director
1 film together
Notably Pompo the Cinephile
Susumu Mitsunaka
Director
1 film together
Notably Detective Conan: The Bride of Halloween
Tomohisa Taguchi
Director
1 film together
Notably The Tunnel to Summer, the Exit of Goodbyes
Yuzuru Tachikawa
Director
1 film together
Notably Detective Conan: Black Iron Submarine
Katsuya Shigehara
Director
1 film together
Notably Detective Conan: One-Eyed Flashback
Takahiro Hasui
Director
1 film together
Notably Detective Conan: Fallen Angel of the Highway
Behind the camera
Who casts this performer, how often, and what the pairing produces.
Chika Nagaoka
Director
3 films together · 6.5 avg MV
A working relationship rather than a booking — 3 films, and the register shifts each time.
Best film together
Detective Conan: The Million-Dollar PentagramHaruo Sotozaki
Director
2 films together · 8.1 avg MV
A working relationship rather than a booking — 2 films, and the register shifts each time.
Best film together
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen TrainHiroyuki Imaishi
Director
2 films together · 7.3 avg MV
A working relationship rather than a booking — 2 films, and the register shifts each time.
Best film together
Promare / Side: GaloNaoyoshi Shiotani
Director
2 films together · 6.7 avg MV
A working relationship rather than a booking — 2 films, and the register shifts each time.
Best film together
Psycho-Pass: Sinners of the System - Case.2 First GuardianYasuichiro Yamamoto
Director
2 films together · 6.6 avg MV
A working relationship rather than a booking — 2 films, and the register shifts each time.
Best film together
Detective Conan: Kaiju Gomera vs. Kamen YaibaTakuya Igarashi
Director
1 film together · 8.1 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Bungo Stray Dogs: Dead AppleTakahiro Hasui
Director
1 film together · 7.8 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Detective Conan: Fallen Angel of the HighwayTomohisa Taguchi
Director
1 film together · 7.7 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
The Tunnel to Summer, the Exit of GoodbyesKenji Nagasaki
Director
1 film together · 7.6 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
My Hero Academia: Two HeroesSatoshi Kon
Director
1 film together · 7.6 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Tokyo GodfathersKatsuya Shigehara
Director
1 film together · 7.2 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Detective Conan: One-Eyed FlashbackTakayuki Hirao
Director
1 film together · 7.2 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Pompo the CinephileYuta Murano
Director
1 film together · 7.1 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Kakushigoto Theatrical EditionYuzuru Tachikawa
Director
1 film together · 7.0 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Detective Conan: Black Iron SubmarineTatsumi Fujii
Director
1 film together · 6.9 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Promare / Side: LioKazuya Nomura
Director
1 film together · 6.6 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
BlackFoxSusumu Mitsunaka
Director
1 film together · 6.4 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Detective Conan: The Bride of HalloweenHiroyuki Seshita
Director
1 film together · 6.1 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Knights of Sidonia: Love Woven in the StarsRyuta Tasaki
Director
1 film together · 6.0 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero ChroniclesFuminori Kizaki
Director
1 film together · 5.2 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Human LostSix degrees
Follow the thread outward — director, film, co-star, and the film after that.
Categories of our own
Six editorial categories we apply to every performer we cover.
Most rewatchable
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
as Shinjuro Rengoku (voice)
The one that survives a fourth viewing. Nothing in the performance depends on surprise, which is why it keeps paying out.
Most emotional performance
The Tunnel to Summer, the Exit of Goodbyes
as Kaoru's Father (voice)
Grief played at conversational volume. The film never asks the audience to cry; the performance simply makes it difficult not to.
Most influential performance
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
as Shinjuro Rengoku (voice)
You can hear this reading in other actors' auditions a decade later — the surest measure of influence there is.
Best ensemble performance
Demon Slayer: Kimetsu no Yaiba Infinity Castle
as (voice)
Work that makes everyone else in the frame better without ever pulling the camera towards itself.
Career defining performance
Detective Conan: Fallen Angel of the Highway
as Kogoro Mouri (voice)
If the career had to be argued in a single scene, our editors would pick one from this film and rest the case.
In their films' words
“You can build a whole film around a performer who knows when not to speak. Rikiya Koyama has known it for a long time.”
Head to head
Put two careers on the same scale and see where the argument actually sits.
Ours alone
Recognitions handed out by this desk, on criteria no awards body uses.
Career Achievement
Awarded
23 years of relevant work — not merely a long career, but a long career of choices.
Modern Classic Performer
Awarded
Defining performances delivered inside the last twenty-five years, in films already being taught rather than merely remembered.
Animation Legend
Awarded
28 catalogue titles in animation, each one a reference point for the films that followed.
Our desk
Best ending, best opening, best twist and the rest — categories we apply to everyone we cover.
Best ending
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
as Shinjuro Rengoku (voice)
The last five minutes reorganise everything before them, and hold up when you already know what's coming.
Best opening
Bungo Stray Dogs: Dead Apple
as Yukichi Fukuzawa (voice)
A first sequence that states the rules of the film without explaining a single one of them.
Most emotional
The Tunnel to Summer, the Exit of Goodbyes
as Kaoru's Father (voice)
The film where the technique steps aside and lets the feeling arrive undefended.
Best twist
Exhuma
as Daimyo Oni (voice)
A reversal earned by information the film gave you and trusted you to misread.
Best visual achievement
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
as Shinjuro Rengoku (voice)
Images that would survive with the sound switched off.
Best action sequence
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
as Ohma Zi-O (voice)
Geography, stakes and consequence held in the same frame — spectacle you can follow.
Best dialogue
Tokyo Godfathers
as Shinrou (voice)
Lines written to be spoken, staged so the pauses do half the work.
Most underrated film
Detective Conan vs. Kid the Phantom Thief
as Kogoro Mouri (voice)
The public vote sits below ours on this one, and the direction is the reason for the gap.
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Reference
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