
Yoo Yeon-seok
Acting
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

2010
Running Man
2010 · tv

2018
Amazing Saturday
2018 · tv

2018
You Quiz on the Block
2018 · tv

2016
Dr. Romantic
2016 · tv

2020
Hospital Playlist
2020 · tv

2018
Mr. Sunshine
2018 · tv

2021
The Game Caterers
2021 · tv

2022
Just an Excuse
2022 · tv

2003
Oldboy
2003 · movie

2026
Phantom Lawyer
2026 · tv

2025
No Other Choice
2025 · movie

2023
The Seasons
2023 · tv

2018
Busted!
2018 · tv

2024
When the Phone Rings
2024 · tv

2023
Salon Drip
2023 · tv

2025
Resident Playbook
2025 · tv

2023
Nattering with Nah
2023 · tv

2024
Whenever Possible
2024 · tv

2014
Youth Over Flowers
2014 · tv

2022
Narco-Saints
2022 · tv

2025
Tastefully Yours
2025 · tv

2013
Reply 1994
2013 · tv

2022
The Interest of Love
2022 · tv

2013
Gu Family Book
2013 · tv

2023
A Bloody Lucky Day
2023 · tv

2012
A Werewolf Boy
2012 · movie

2015
Warm and Cozy
2015 · tv

2009
Melon Music Awards
2009 · tv

2013
Hwayi: A Monster Boy
2013 · movie

2009
Dream
2009 · tv