Cha Seo-won, born Lee Chang-yeop (이창엽), is a South Korean actor. His breakthrough role was in The Second Husband (2022) where he won his first award as an actor. He is a cast member of the variety show I Live Alone since 2022.

The Second Husband is a South Korean television series starring Cha Seo-won, Uhm Hyun-kyung, Han Ki-woong and Oh Seung-ah. The series, directed by Kim Chil-bong and written by Seo Hyeon-joo for Pan Entertainment, is a passionate romance drama in which a woman who has lost her family unfairly ventures out for revenge amid mixed fate and love.