
South Korea
Choi Seung-yoon is a South Korean actor renowned for his extensive work as a character actor, frequently appearing in supporting and guest roles across various television dramas and films. He is recognized for his commanding presence and his ability to skillfully shift between genres, often playing highly professional, mysterious, or complex secondary characters. Choi Seung-yoon’s career is distinguished by his consistent and active participation in some of the most highly-rated and critically acclaimed Korean dramas. While he often takes on roles that drive the subplot or appear as significant guest characters, his performances consistently leave a memorable impression on viewers and critics alike. He gained notice for playing the chilling character Kim Min-suk in the crime drama Life on Mars (2018), a role that highlighted his ability to portray intense, high-stakes figures. This led to similar roles, such as the prosecutor "Tak" in Delightfully Deceitful (2023) and Dr. Suk Min-Joon in the sci-fi thriller Train (2020). Choi Seung-yoon has made impactful appearances in globally popular dramas, including playing an NIS agent in the final episodes of Crash Landing on You (2019-2020) and the brief, but memorable, role as Chae Song-Hwa's ex-boyfriend in the opening episodes of the hit medical series Hospital Playlist (2020). In recent years, he has continued his streak of supporting roles, appearing in major series such as Uncle (2021-2022), the sports romance drama Love All Play (2022), and, most recently, The Atypical Family (2024), where he played the recurring character, Jo Ji-Han. While largely known for his television work, Choi Seung-yoon has also taken on feature roles. Notably, he played the co-lead character of Audrey in the tvN Drama Stage one-act show, My Uncle is Audrey Hepburn (2019), demonstrating his depth beyond standard supporting roles. His film work includes appearances in Love Clinic (2015) and Phantom Detective (2016).

as Oh Jin-sik

as NIS Agent
2019

as Song-hwa's ex-boyfriend
2020

as Oh Jin-sik
2017

2017

as Lee Yoon
2026

as Bae Kwang-soo
2019

as Yeon Seung-woo
2022

as Jo Ji-han
2024

as Lee Jin-soo
2018

as Student Fantasy Man
2024

as Nam Young-Do
2021

as Delivery Room Doctor
2015
as Audrey
2019
as Oh Jin-sik
16 ep.

as NIS Agent
2 episodes

as Song-hwa's ex-boyfriend
2 episodes

as Oh Jin-sik
16 episodes

2 episodes

as Lee Yoon
12 episodes

as Bae Kwang-soo
16 episodes

as Yeon Seung-woo
16 episodes

as Jo Ji-han
12 episodes

as Lee Jin-soo
1 episodes

as Student Fantasy Man
1 episodes

as Nam Young-Do
1 episodes

as Kim Min-seok
16 episodes

as Prosecutor Tak
1 episodes

16 episodes

as Ji Hee-Sang
2 episodes

as Jung Jin's ex-boyfriend
1 episodes

as Dr. Seok Min-joon
12 episodes

as Son Joo-No
16 episodes

as Jung-gu
126 episodes

as Lee Woo-hyeon
1 episodes