About

Oh Dal-su is a South Korean character actor who has appeared on television, film, and stage. His acting career spans over 35 years. Oh is best known for his supporting roles in director Park Chan-wook's films, having appeared in six of Park's films: Oldboy (2003), If You Were Me (2003), Lady Vengeance (2005), I'm a Cyborg, But That's OK (2006), Thirst (2009) and No Other Choice (2025).