A Killer Paradox (TV) Cast Popularity
The cast of A Killer Paradox including daily popularity data. Updated on June 3, 2025.
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46 total actors
Choi Woo-shik
as Lee Tang (8 episodes)

Choi Woo-shik portrays the character of Lee Tang, an ordinary college student who discovers his ability to identify evil people after his first accidental murder.

#2
Most popular actor on A Killer Paradox
1,096 Wikipedia views yesterday
Son Suk-ku
as Jang Nan-gam (8 episodes)

Son Suk-ku plays the role of Jang Nan-gam, a detective who relentlessly pursues a murder case committed by Lee Tang.

#1
Most popular actor on A Killer Paradox
2,509 Wikipedia views yesterday
Lee Hee-jun
as Song Chon (8 episodes)
Hyun Bong-sik
as Park Bok-joon (8 episodes)
Kim Yo-han
as Nobin (8 episodes)
Nam Jin-bok
as ? (8 episodes)
Lee Joo-young
as Kyeong-ah's mother (8 episodes)
Han Sang-kyung
as Hard-hitting (8 episodes)
Kim Keum-soon
as (8 episodes)
Jo Hyun-wu
as (8 episodes)
Jung Hoe-ryn
as (8 episodes)
Jeon Hyun-suk
as (8 episodes)
Kim Min-ju
as Lee Young (5 episodes)
Oh Min-ae
as Lee Tang's mother (6 episodes)
#3
Most popular actor on A Killer Paradox
299 Wikipedia views yesterday
Heo Seon-haeng
as Lee Tang's father (5 episodes)
Mun Yeong-dong
as Lee Gwang-hoon (1 episode)
Kwon Da-ham
as Ahn Yong-jae (8 episodes)
Park Ji-han
as Jung Gang-hyo (4 episodes)
Choi Sun-woo
as Gyeong-hwan (3 episodes)
Jung Yi-seo
as Sun Yeo-ok (4 episodes)
#4
Most popular actor on A Killer Paradox
132 Wikipedia views yesterday
Choi Mi-geum
as Club senior (1 episode)
Baek Yu-sung
as Lee Jin-seong (3 episodes)
Seo Jae-kwon
as Kang Jae-joon (3 episodes)
Yang Mal-bok
as Shin Jung-hee (4 episodes)
Park Kyung-geun
as Chief of crime department (3 episodes)
Oh Woo-ri
as Mi-young (3 episodes)
Jang Sun
as Jae-soon (1 episode)
Lee So-won
as Kang Yeon-seo (1 episode)
Lee Jung-ok
as Kang Sang-mook (1 episode)
#5
Most popular actor on A Killer Paradox
84 Wikipedia views yesterday
Joo In-young
as Kang Jae-joon's mother (1 episode)
Oh Hye-won
as Lee Yoo-jung (2 episodes)
Lee Sang-won
as Detective Kim (2 episodes)
Go Do-ha
as Delivery man (1 episode)
Lim Se-joo
as Choi Gyeong-ah (1 episode)
Song Hyeong-su
as Noh Eui-cheol (1 episode)
Roh Jae-won
as Ha Sang-min (1 episode)
Han Yoon-ji
as Hyeon-ji (1 episode)
Gun Woo
as Choi Gyeong-ah's ex-boyfriend (1 episode)
Lee Ji-hoon
as Moon Myeong-jun (3 episodes)
Jang Jun-whee
as Team leader (1 episode)
Han Ji-an
as Hyeong Ji-soo (1 episode)
Jang Ji-an
as Jang Nan-gam (young) (2 episodes)
Kang Jee-seok
as Jang Nan-gam (teen) (2 episodes)
Lee Ju-won
as Jang Gap-soo (2 episodes)
Seung Eui-yeol
as Hyeong Jung-guk (1 episode)
Jang Ui-don
as Congressman (1 episode)
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