Dr. Kkang Episode 4 S01E04

Yang Dong-geun

Kang Dal-go

Han Ga-in

Kim Yu-na

Lee Jong-hyuk

Seok Hee-jung

Ha Seok-jin

Kim Jin-kyu

Park Si-eun

Lee Hye-young

Kim Hye-ok

Yeon-ji

Kim Hak-cheol

Song Gwang-ho

Kim Jung-tae

Cho Jang-sik

Oh Kwang-rok

Bong Eun-tak

Jung Gyu-woon

Detective Bae

Jo Mi-ryung

So Ma-ri

Choi Jae-won

Detective Kim