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).
25 movies · 41 shows
No Other Choice
2025·7.5
My Heart Puppy
2023·6.7
Vanishing
2022·6.5
New Year Blues
2021·6.5
Steel Rain 2: Summit
2020·7.1
A Quiet Dream
2016·6.9
Old Days
2016·6.6
Love, Lies
2016·7.8
Mood of the Day
2016·7.2
The Beauty Inside
2015·7.6
Perfect Proposal
2015·6.2
The Royal Tailor
2014·7.1
The Whistleblower
2014·7.2
Hwayi: A Monster Boy
2013·7.4
Born To Sing
2013·6.0
A Werewolf Boy
2012·7.7
Horror Stories
2012·5.8
Two Weddings and a Funeral
2012·5.1
Architecture 101
2012·7.3
Hoya
2012·7.0
Moscow
2011·5.0
Homicide Sonata
2011·0.0
Re-encounter
2011·7.4
Money Show
2009·6.0
Oldboy
2003·8.2