Marine Boy— Full Cast

Kim Kang-woo

as Chun-soo

Cho Jae-hyun

as Company president Kang

Park Si-yeon

as Yu-ri

Kim Joon-bae

as Company president Hwang

Jang Hye-jin

as Immigration officer

Oh Dae-hwan

as Coach

Choi Su-rin

as Jazz bar