
Yoo Yeon-seok
- Known for
- Acting
- Born
- April 11, 1984
- Birthplace
- 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).
Filmography

The Assassin(s) 2026
Actor

No Other Choice 2025
as Chin-ho

My Heart Puppy 2023
as Min-soo

Vanishing 2022
as Park Jin-ho

New Year Blues 2021
as Jae-heon

Steel Rain 2: Summit 2020
as Jo Seon-sa

A Quiet Dream 2016
as Man on a Motorcycle

Old Days: An Oldboy Story 2016
as Self

Love, Lies 2016
as Kim Yoon-woo

Mood of the Day 2016
as Kim Jae-hyun

The Beauty Inside 2015
as Woo-jin 123

Perfect Proposal 2015
as Lee Sung-yeol

The Royal Tailor 2014
as King Yeong-jo

The Whistleblower 2014
as Shim Min-ho

Hwayi: A Monster Boy 2013
as Park Ji-won

Born To Sing 2013
as Dong-soo

A Werewolf Boy 2012
as Ji-tae

Horror Stories 2012
as Kidnapper

Two Weddings and a Funeral 2012
as Joon

Architecture 101 2012
as Jae-wook

Eighteen, Nineteen 2012
as Ho-Ya

Moscow 2011
Actor

Homicide Sonata 2011
Actor

Re-encounter 2011
as Han-soo

Money Show 2009
as Man

Oldboy 2003
as Young Woo-jin
Credits from TMDB.