- Name: Yoo Yeon-Seok (유연석)
- Birth Name: Ahn Yeon-Seok (안연석)
- Date of Birth: April 11, 1984
- Height: 183 cm
- Instagram: yoo_yeonseok
- Facebook: YooYeonSeok
- Twitter: @Yeonseok411
Movies
- New Year Blues | Saehaejeonya (2020) – Jae-Hun
- Steel Rain 2: Summit | Gangchulbi 2: Jungsanghwedam (2020) – North Korean Leader
- A Quiet Dream | Chunmong (2016) – motorcycle man (cameo)
- Love, Lies | Haeuhhwa (2016) – Kim Yoon-Woo
- Mood of the Day | Keunalui Bonwigi (2016) – Kim Jae-Hyun
- The Beauty Inside | Byooti Insaideu (2015) – Woo-Jin
- Perfect Proposal | Eunmilhan Yoohok (2015) – Sung-Yeol
- The Royal Tailor | Sanguiwon (2014) – King
- The Whistleblower | Jeboja (2014) – Shim Min-Ho
- Hwayi: A Monster Boy | Hwayi: Gwoemuleul Samkin Ayi (2013) – Director Park Ji-Won
- Born To Sing | Jeonguk Noraejarang (2013) – Dong-Soo
- A Werewolf Boy | Neukdae Sonyeon (2012) – Ji-Tae
- Horror Stories | Mooseowon Iyagi (2012) – kidnapper
- Two Weddings And a Funeral | Du Bunui Gyulhonsikgwa Han Bunui Jangryesik (2012) – Suk’s younger brother
- Architecture 101 | Geonchukhakgaeron (2012) – Jae-Wook (past)
- Hoya | Yeolyeodeolb, Yeolahob (2012) – Ho-Ya
- Moscow | Yang Han Mari, Yang Du Mari (2011)
- Re-encounter | Hyehwa, Dong (2010) – Han-Soo
- Oldboy | Oldeuboi (2003) – Woo-Jin (young)
Drama Series
- Suriname (Netflix / 2022) – David Park
- Hospital Playlist 2 | Seulkirowoon Uisasaenghwal 2 (tvN / 2021) – Ahn Jeong-Won
- Hospital Playlist | Seulkirowoon Uisasaenghwal (tvN / 2020) – Ahn Jeong-Won
- Mr. Sunshine (tvN / 2018) – Gu Dong-Mae
- Dr. Romantic | Nangmandakteo Kimsaboo (SBS / 2016-2017) – Kang Dong-Joo
- Mrs. Cop (SBS / 2015) – Jo Young-Woo (ep.16)
- Warm and Cozy | Maendorong Ttottot (MBC / 2015) – Baek Gun-Woo
- Reply 1994 | Eungdabhara 1994 (tvN / 2013) – Chilbong
- Gu Family Book | Gugaui Seo (MBC / 2013) – Park Tae-Seo
- Mom is Acting Up | Ummaga Meogilrae (MBC / 2012) – Kim Yeon-Seok
- Tasty Life | Matittneun Insaeng (SBS / 2012) – Choi Jae-Hyuk
- Late Night Hospital | Shimya Byungwon (MBC / 2011) – Yoon Sang-Ho
- Pure Pumpkin Flower | Hobakggot Soonjung (SBS / 2010-2011) – Oh Hyo-Joon
- Running, Goo (MBC / 2010) – Heo Ji-Man
- Possessed | Hon (MBC / 2009)
- Dream (SBS / 2009) – No Chul-Joong
- General Hospital 2 | Jonghab Byeongwon 2 (MBC / 2008-2009) – Heo Woo-Jin
Yoo Yeon-Seok
