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).
as Seo Yul(1 ep)
as Min Jun-ho(12 eps)
as Shin I-rang(16 eps)
as Chin-ho
as Self - Host(34 eps)
as Jeon Min(3 eps)
as Ahn Jeong-won(1 ep)
as Baek Sa-eon(12 eps)
as Self(2 eps)
as Self - Host(66 eps)
as Geum Hyuk-soo(10 eps)
as Self - God Bro(8 eps)
as Self(1 ep)
as Min-soo
as Self(1 ep)
as Ha Sang-su(16 eps)
as Self(3 eps)
as David Park(6 eps)
as Park Jin-ho
as Yoon Sang-ho(1 ep)
as Self(9 eps)
as Self(26 eps)
as Self(13 eps)
as Jae-heon
as Jo Seon-sa
as Self(43 eps)
as Ahn Jeong-won(24 eps)
as Self(10 eps)
as Self(1 ep)
as Gu Dong-mae(24 eps)
as Yoo Yeon-seok(3 eps)
as Self(3 eps)
as Self(1 ep)
as Gang Dong-ju(25 eps)
as Man on a Motorcycle
as Self
as Kim Yoon-woo
as Kim Jae-hyun
as Woo-jin 123
as Lee Sung-yeol
as Baek Geon-woo(16 eps)
as King Yeong-jo
as Shim Min-ho
as Self(5 eps)
as Chil Bong-yi(21 eps)
as Park Ji-won
as Dong-soo
as Park Tae-seo(24 eps)
as Ji-tae
as Yoo Yeon-Seok(27 eps)
as Kidnapper
as Joon
as Jae-wook
as Ho-Ya
as Yoon Sang Ho(10 eps)
as Han-soo
as Heo Ji-Man(4 eps)
as Messenger(1 ep)
as Baek Joong-chan(10 eps)
as Noh Chul-joong(20 eps)
as Man
as Woo-jin Heo(17 eps)
as Young Woo-jin