Choi Dae-sung

as Doctor 2

as Yang Gil-mu (8 episodes)

as Seo Hyeong-Kook (16 episodes)

as Eun-jeong's Father

as Cafe owner (3 episodes)

as Taxi driver (3 episodes)

as Director

as Go Goo-Tae (16 episodes)

as Cafe manager

as Manager Yong (9 episodes)

as Min-Joon's colleague (3 episodes)

as Police Bureau Patrolman 2

as Japanese Gentleman

as Min-woo's Friend

as Man from Duck Boat (uncredited)