Miniseries · Netflix
A Killer Paradox
A godsent hero or unpunished sinner.
Who's in it
Cast
The principal ensemble across the run of the series.
Choi Woo-shik
Lee Tang
8 eps
Son Suk-ku
Jang Nan-gam
8 eps
Lee Hee-jun
Song Chon
8 eps
Kwon Da-ham
Ahn Yong-jae
8 eps
Kim Min-ju
Lee Young
5 eps
Oh Min-ae
Lee Tang's Mother
6 eps
Heo Seon-haeng
Lee Tang's Father
5 eps
Jung Hoe-ryn
Eun-seon
3 eps
Jo Hyun-wu
Yeo Boo-il
1 eps
Moon Young-dong
Lee Gwang-hoon
1 eps
Hyun Bong-sik
Park Choong-jin
6 eps
Park Ji-han
Jung Gang-hyo
4 eps
Choi Sun-woo
Gyeong-hwan
3 eps
Jung Yi-seo
Sun Yeo-ok
4 eps
Choi Mi-geum
Club Senior
1 eps
Baek Yu-sung
Lee Jin-seong
3 eps
Seo Jae-kwon
Kang Jae-joon
3 eps
Kim Geum-soon
Gwang-hoon's Wife
1 eps
Yang Mal-bok
Shin Jung-hee
4 eps
Park Kyung-geun
Chief of Crime Department
3 eps
Oh Woo-ri
Mi-young
3 eps
Jang Sun
Jae-soon
1 eps
Lee So-won
Kang Yeon-seo
1 eps
Lee Jung-ok
Kang Sang-mook
1 eps
Joo In-young
Kang Jae-joon's Mother
1 eps
Nam Jin-bok
Ji Gyeong-bae
2 eps
Oh Hye-won
Lee Yoo-jung
2 eps
Lee Sang-won
Detective Kim
2 eps
Ko Do-ha
Delivery Man
1 eps
Lim Se-joo
Choi Gyeong-ah
1 eps
Song Hyeong-su
Noh Eui-cheol
1 eps
Roh Jae-won
Ha Sang-min
1 eps
Han Yoon-ji
Hyeon-ji
1 eps
Lee Joo-young
Choi Gyeong-ah's Mother
1 eps
Gun Woo
Choi Gyeong-ah's Ex-Boyfriend
1 eps
Jang Jun-whee
Team Leader
1 eps
Han Ji-an
Hyeong Ji-soo
1 eps
Jang Ji-an
Jang Nan-gam (Young)
2 eps
Kang Jee-seok
Jang Nan-gam (Teen)
2 eps
Lee Ju-won
Jang Gap-soo
2 eps
The Nutevio profile
TV DNA
How A Killer Paradox actually feels to watch, measured on the traits our editors track across every series.
Signature profile
A Killer Paradox reads strongest on Bingeability, Serialized and Tension.
How hard it is to stop after one episode.
How much each hour depends on the one before it.
The sustained pressure the series keeps you under.
How fully written and psychologically layered the ensemble is.
How often an episode ends on a hook you can't ignore.
How often the series is genuinely funny, by design.
How much the series is designed to affect you.
Visual ambition — scale, craft and set-piece filmmaking.
The scale, internal logic and texture of the world.
The story
What it's about
When one accidental killing leads to another, an ordinary young man finds himself stuck in an endless cat-and-mouse chase with a shrewd detective.
Where the series peaks
Best Episodes
The hours that define the show, ranked by audience response and editorial signal.
S01E02 · Signature episode
Episode 2
A mysterious woman approaches Tang, claiming to know his secret and begins to blackmail him. The weight of his actions starts taking a mental toll.
S01E04 · Signature episode
Episode 4
Wondering if the same killer is behind all the murders, Nan-gam probes Roh Bin for clues, leading to an unlikely partnership between the two.
S01E03 · Signature episode
Episode 3
Nan-gam struggles to find clear answers as he investigates the latest deaths. After connecting with an enigmatic figure, Tang decides to turn himself in.
S01E05 · Signature episode
Episode 5
As Nan-gam notices a clear pattern among the recent murders, he searches for Tang — unaware of another mysterious man who is doing the same.
S01E06 · Signature episode
Episode 6
In his search for Tang, Song Chon confronts Bin — who desperately turns to Nan-gam for help. But Tang agrees to meet with Chon, who has a proposition.
S01E01
Episode 1
Flailing at life, Lee Tang panics after he kills a man after work. Soon, Jang Nan-gam is on the case — discovering a disturbing truth about the victim.
Recently aired
Latest Episodes
S01E01
Episode 1
S01E02 · Signature episode
Episode 2
S01E03 · Signature episode
Episode 3
S01E04 · Signature episode
Episode 4
S01E05 · Signature episode
Episode 5
S01E06 · Signature episode
Episode 6
Behind the series
Created by
Showrunners, creators, executive producers and the writers who set the voice of the series.
The craft
Key Crew
Directing, writing, production, camera, music and editing.
Executive production
- Jung Su-jinExecutive Producer
- Kim Ji-sooExecutive Producer
- Kim Soon-hoExecutive Producer
- Kim Ji-yeonProducer
- Shon Seung-aeExecutive Producer
Direction
- Lee Chang-heeDirector
Cinematography
- Park Se-seungDirector of Photography
Music
- DalpalanOriginal Music Composer
Where to watch
Streaming
Availability verified against regional listings.
- NetflixStreaming
- Netflix Standard with AdsStreaming
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Where to go from here
Watch Next
Our editors' suggestion for the show you should start tonight — and why.
The Mentalist
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Another morally complex epic for anyone who wanted more grey.
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Watch this next if you like protagonists you can't quite defend.
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