Kwon Sang-woo
Jun
Jeong Jun-ho
Cheon Deok-gyu
Hwang Woo-seul-hye
Mi-na
Lee Yi-kyung
Cheol
Lee Ji-won
Kim Ga-yeong
Heo Sung-tae
Hyeong-do
Jo Woon
Jason
Heo Dong-won
Jerome
Lee Jun-hyeok
Gyu-man
Lee Jung-ok
Workman (uncredited)
Ju Seo-eun
Eun (uncredited)
Park Doo-sik
Simon (uncredited)
Kim Pung
Cartoonist (uncredited)
Park Ye-chan
Son (uncredited)
Kim Mi-hui
Agent
Bae Min-jun
Young Chul
Hwang Byeng-gug
Orphanage director
Park Sung-jin
Agent