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Yoo Yeon-seok

Yoo Yeon-seok

Acting · Born 1984-04-11 · Seoul, South Korea

Ahn Yeon-seok (born April 11, 1984), better known by the stage name Yoo Yeon-seok, is a South Korean actor. After making his acting debut in 2003 with a small role in Oldboy, he resumed his acting career in 2008. His notable works include the films Re-encounter (2011), Architecture 101 (2012), A Werewolf Boy (2012), Whistle Blower (2014), and Love, Lies (2016), as well as the television series Reply 1994 (2013), Dr. Romantic (2016), Mr. Sunshine (2018), Hospital Playlist (2020–2021), and When the Phone Rings (2024).

Known For

movie 8.2 Oldboy
Oldboy
2003
movie 7.5 No Other Choice
No Other Choice
2025
tv 8.3 When the Phone Rings
When the Phone Rings
2024
movie 7.7 A Werewolf Boy
A Werewolf Boy
2012
movie 7.7 The Beauty Inside
The Beauty Inside
2015
movie 7.4 Hwayi: A Monster Boy
Hwayi: A Monster Boy
2013
tv 8.2 Running Man
Running Man
2010
tv 8.4 Mr. Sunshine
Mr. Sunshine
2018
tv 8.6 Hospital Playlist
Hospital Playlist
2020
tv 7.7 Narco-Saints
Narco-Saints
2022
movie 7.3 Architecture 101
Architecture 101
2012
tv 8.1 Dr. Romantic
Dr. Romantic
2016
tv 8.3 Tastefully Yours
Tastefully Yours
2025
movie 7.0 Steel Rain 2: Summit
Steel Rain 2: Summit
2020
movie 6.6 Vanishing
Vanishing
2022
tv 6.1 The Interest of Love
The Interest of Love
2022
movie 7.8 Love, Lies
Love, Lies
2016
tv 8.1 Resident Playbook
Resident Playbook
2025