Performer
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio rank
#10838
of 909177 performers
Top 5%
Liam O'Brien works on action 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.
Liam O'Brien appears in 5 films in the Nutevio catalogue, and none of them would work the same way without Liam. Star Wars Rebels: Spark of Rebellion is the clearest case: a film rated 7.3 by our editors, where the performance carries weight the script only implies.
The recognisable elements are action, versatility, transformation. Watch two of these films back to back and the method separates from the material — the same instrument, tuned differently for action, family, animation. It is a style built on what is withheld as much as what is played.
Working with Ken Cunningham, Jos Humphrey, Steward Lee and others, Liam O'Brien 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.
Star Wars Rebels: Spark of Rebellion (2014) as Yogar Lyste/ Morad Sumar/ Vendor 1 · Afro Samurai: Resurrection (2009) as Shichogoro (voice) · Carmen Sandiego: To Steal or Not to Steal (2020) as Professor Maelstrom / Diplomat / Guard 2 (voice)
Career snapshot
Ranked #10838 of 909177 performers tracked in the Nutevio library.
Films in Nutevio
5
2009–2023
Career length
14 yrs
Measured across our catalogue
Academy Awards
—
Unknown
Oscar nominations
—
Unknown
Highest Nutevio score
7.3
Star Wars Rebels: Spark of Rebellion
Average Nutevio score
6.7
Across catalogue work
Highest IMDb rating
7.3
Star Wars Rebels: Spark of Rebellion
Most frequent director
Ken Cunningham
1 film together
Longest collaboration
1×
With Ken Cunningham
Most common genre
Animation
5 titles
Average runtime
0h 59m
Across catalogue work
Golden Globe wins
—
Unknown
Nutevio metric
Ten weighted categories, applied identically to everyone we cover.
Nutevio Performer Score
6.8
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
6.4
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
6.9 average MV
The 2000s are where the work and the material meet. Afro Samurai: Resurrection — the run our editors reach for first when the argument is about range rather than fame.
Highest average Nutevio score
2000s
6.9
Across 1 catalogue film in this decade, our scores never drop below the level a career is judged on.
Highest average IMDb rating
2000s
6.9
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. Afro Samurai: Resurrection.
Most productive era
2010s
2 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 | 6.91 film | — | — |
| Action | 6.91 film | 6.72 films | 6.51 film |
Chronology
Firsts and peaks
The turning points, in the order they happened.
First film in Nutevio
2009Afro Samurai: Resurrection
Where our catalogue meets this career, as Shichogoro (voice).
Highest rated performance · Career peak
2014Star Wars Rebels: Spark of Rebellion
7.3 on the Nutevio scale, the top of the catalogue for this performer. Weighing billing against the film's own quality, this is the point where everything aligned at once.
Most recent film
2023LEGO Marvel Avengers: Code Red
The current state of the argument, as Red Skull / Hydra Goon 2 (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.
5 of 5 films
as Yogar Lyste/ Morad Sumar/ Vendor 1
Directed by Steward Lee
as Professor Maelstrom / Diplomat / Guard 2 (voice)
Directed by Jos Humphrey
as Shichogoro (voice)
Directed by Fuminori Kizaki
as Red Skull / Hydra Goon 2 (voice)
Directed by Ken Cunningham
as The Red Skull (voice)
Directed by Leo Riley
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
Yogar Lyste/ Morad Sumar/ Vendor 1
Star Wars Rebels: Spark of Rebellion (2014)
Performance score7.2
The performance the rest of the career is read through. Yogar Lyste/ Morad Sumar/ Vendor 1 gives Liam O'Brien a structure to work against, and the film hands over its centre of gravity without hesitation.
View movie#2
Professor Maelstrom / Diplomat / Guard 2 (voice)
Carmen Sandiego: To Steal or Not to Steal (2020)
Performance score6.8
Carmen Sandiego: To Steal or Not to Steal asks for something the previous films did not, and gets it. Professor Maelstrom / Diplomat / Guard 2 (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#3
Shichogoro (voice)
Afro Samurai: Resurrection (2009)
Performance score6.8
Afro Samurai: Resurrection asks for something the previous films did not, and gets it. Shichogoro (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#4
Red Skull / Hydra Goon 2 (voice)
LEGO Marvel Avengers: Code Red (2023)
Performance score6.5
LEGO Marvel Avengers: Code Red asks for something the previous films did not, and gets it. Red Skull / Hydra Goon 2 (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 Yogar Lyste/ Morad Sumar/ Vendor 1
Start here. Star Wars Rebels: Spark of Rebellion is the clearest statement of what Liam O'Brien does — accessible, 44 minutes, and rated 7.3 by our editors. No context required.
Our editors order this path by accessibility first and chronology second. You meet Liam 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.
Afro Samurai: Resurrection (2009)
Keeps the action register of Star Wars Rebels: Spark of Rebellion but asks for a colder reading of it.
Iron Man & Hulk: Heroes United (2013)
Keeps the action register of Afro Samurai: Resurrection but asks for a colder reading of it.
Carmen Sandiego: To Steal or Not to Steal (2020)
Keeps the adventure register of Iron Man & Hulk: Heroes United but asks for a colder reading of it.
LEGO Marvel Avengers: Code Red (2023)
Keeps the family register of Carmen Sandiego: To Steal or Not to Steal but asks for a colder reading of it.
Company kept
The directors and performers this career keeps returning to.
Fuminori Kizaki
Director
1 film together
Notably Afro Samurai: Resurrection
Leo Riley
Director
1 film together
Notably Iron Man & Hulk: Heroes United
Steward Lee
Director
1 film together
Notably Star Wars Rebels: Spark of Rebellion
Jos Humphrey
Director
1 film together
Notably Carmen Sandiego: To Steal or Not to Steal
Ken Cunningham
Director
1 film together
Notably LEGO Marvel Avengers: Code Red
Behind the camera
Who casts this performer, how often, and what the pairing produces.
Steward Lee
Director
1 film together · 7.3 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Star Wars Rebels: Spark of RebellionFuminori Kizaki
Director
1 film together · 6.9 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Afro Samurai: ResurrectionJos Humphrey
Director
1 film together · 6.6 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Carmen Sandiego: To Steal or Not to StealKen Cunningham
Director
1 film together · 6.5 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
LEGO Marvel Avengers: Code RedLeo Riley
Director
1 film together · 6.0 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Iron Man & Hulk: Heroes UnitedSix 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
Afro Samurai: Resurrection
as Shichogoro (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
Carmen Sandiego: To Steal or Not to Steal
as Professor Maelstrom / Diplomat / Guard 2 (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
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
You can hear this reading in other actors' auditions a decade later — the surest measure of influence there is.
Best ensemble performance
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
Work that makes everyone else in the frame better without ever pulling the camera towards itself.
Career defining performance
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
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. Liam O'Brien 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.
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
5 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
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
The last five minutes reorganise everything before them, and hold up when you already know what's coming.
Best opening
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
A first sequence that states the rules of the film without explaining a single one of them.
Most emotional
Carmen Sandiego: To Steal or Not to Steal
as Professor Maelstrom / Diplomat / Guard 2 (voice)
The film where the technique steps aside and lets the feeling arrive undefended.
Best twist
Afro Samurai: Resurrection
as Shichogoro (voice)
A reversal earned by information the film gave you and trusted you to misread.
Best visual achievement
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
Images that would survive with the sound switched off.
Best action sequence
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
Geography, stakes and consequence held in the same frame — spectacle you can follow.
Best dialogue
Afro Samurai: Resurrection
as Shichogoro (voice)
Lines written to be spoken, staged so the pauses do half the work.
Most underrated film
Afro Samurai: Resurrection
as Shichogoro (voice)
The public vote sits below ours on this one, and the direction is the reason for the gap.
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Have your say
Community
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Reference
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