| Age | 40 |
| Birthday | 11 April, 1984 |
| Birthplace | South Korea |
| Zodiac Sign | Aries |
| Nationality | South Korean |
| Occupation | Actor |
Yoo Yeon-seok (born Ahn Yeon-seok on April 11, 1984) 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) and Whistle Blower (2014), Perfect Proposal (2015), Mood of the Day (2016) as well as the television series Reply 1994 (2013), Warm and Cozy (2015), Dr. Romantic (2016), Mr. Sunshine (2018) and Hospital Playlist (2020).
