Inspector Koo — Cast & Crew

as Koo Kyung-yi · 12 episodes

as Song Yi-kyung / "K" · 12 episodes

as Director Yong · 12 episodes

as Na Je-hui · 12 episodes

as Santa · 12 episodes

as Oh Gyeong-su · 12 episodes

as An Geon-uk · 12 episodes

as Mr. Kim · 11 episodes

as Je-hui's father · 9 episodes

as Lee Dae-ho · 8 episodes

as Jung Jeong-yeon · 6 episodes

as Jang Seong-u · 6 episodes

as Heo Hyeon-tae · 6 episodes

as Heo Seong-tae · 6 episodes

as Kim Min-gyu · 5 episodes

as Yoon Jae-yeong · 4 episodes

as Ko Dam · 4 episodes

as Gardener · 2 episodes

as [Detective] · 2 episodes

as Escort (Eps 1, 2) · 2 episodes

as Blackmailed Person · 2 episodes

as Yi-kyung's mother · 1 episode

as Na Je-Hui's Colleague (Eps 8) · 1 episode

as [Policeman] · 1 episode