I'm Sorry Kang Nam-Goo: Cast
Kim Min-seo
Jung Mo-ah
Park Sun-ho
Kang Nam-goo
Lee Na-kyung
Cha Young-hwa
Heo Young-ran
Im Soon-jung
Lee In
Park Do-hoon
Cha Hwa-yeon
Hong Myung-sook
Lee Chang-hoon
Shin Tae-jin
Kim Joo Ri
Shin Hee-joo
Jang Ga-hyun
Madam Oh
Lee Seung-Hyung
Gong Man-soo
Jo Yeon-woo
Gong Cheon-soo