I Saw the Devil_
"Abandon all compassion."
Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
Updated Feb 16, 2026
WHERE TO WATCH
Prime Video
4 countries
Netflix
1 country
wavve
1 country
Watcha
1 country
TVING
1 country
U-NEXT
1 country
DROPTHE_ GOSSIP
Box office
I Saw the Devil earned $13.0M worldwide on a $6.0M budget — a 116% return on investment.
Kim Jee-woon →
Year context
I Saw the Devil was released 16 years ago in 2010.
CAST (20)
Lee Byung-hun
Kim Soo-hyeon
Choi Min-sik
Kyung-chul
Jeon Kuk-hwan
Squad Chief Jang
Cheon Ho-jin
Section Chief Oh
Oh San-ha
Joo-yeon
Kim Yoon-seo
Se-yeon
Nam Bo-ra
Section Chief's Daughter
Lee Jun-hyuk
NIS Agent
Yoon Chae-yeong
Nurse Han Song-i
Choi Moo-seong
Tae-joo
Kim In-seo
Se-jung
Kim Kap-soo
Planning Team Deputy Head
Um Tae-goo
Detective
Choi Jin-ho
Planning Director
MJ
Mi-nam Jeong
Gangster in Taxi
Jo Deok-jae
Detective Kang
JJ
Jang Jeong-won
Kyung-chul's Son
Park Seo-yeon
Woman at Pension
Lee Seol-gu
Gangster in Taxi
KY
Kim Yeong-chan
Young Pharmacist
CREW
BOX OFFICE
$6.0M
Budget
$13.0M
Revenue
+116%
ROI
PROFITABLE
Verdict
STUDIOS (7)
Softbank Ventures
Peppermint & Company
Siz Entertainment
Finecut
Michigan Venture Capital
Showbox
CJ Investment
DETAILS
Release
Status
Released
Runtime
144 min (2h 24m)
Language
Korean
Country
Rating
7.8/10 (2,902 votes)
Popularity
8
Budget
$6,000,000
Box Office
$12,966,357
Profit
+$6,966,357
IMDB
Trailer
FREQUENTLY ASKED QUESTIONS
What is I Saw the Devil about?
Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
How long is I Saw the Devil?
I Saw the Devil has a runtime of 144 minutes (2h 24m).
Who directed I Saw the Devil?
I Saw the Devil was directed by Kim Jee-woon.
Who stars in I Saw the Devil?
The cast of I Saw the Devil includes Lee Byung-hun, Choi Min-sik, Jeon Kuk-hwan, Cheon Ho-jin, Oh San-ha.
How much did I Saw the Devil make at the box office?
I Saw the Devil earned $12,966,357 worldwide at the box office. The production budget was $6,000,000.
What is the rating of I Saw the Devil?
I Saw the Devil has a rating of 7.8 out of 10 based on 2,902 votes on TMDB.
GENRES (2)
Thriller
Horror
KEYWORDS (17)
psychopath
cemetery
police chief
secret agent
revenge
murder
serial killer
mercilessness
severed head
brutality
cannibal
blunt
tracking device
grim
south korea
sadistic killer
ambivalent