A Man Who Was Superman › Cast
Hwang Jung-min
Superman
Kim Tae-sung
Do Yong-gu
Choi Woo-hyuk (actor, born 1997)
Superman - child
Jo Hee-bong
Recording engineer
Park Yong-soo
Woo Gi-hong
Jae-rok Kim
Bruce Lee
Park Jin-woo
Yong-soo Park
Doctor Park