Park Goo mutates into a man-fish due to side effects from an experimental drug. He receives heavy publicity and becomes a star. A conspiracy by a pharmaceutical company leads Park Goo to being possibly expelled from the world.
Lee Kwang-soo
Park-ku
Park Bo-young
Ju-jin
Lee Chun-hee
Sang-won
Jang Kwang
Mutant's Father
Lee Byung-joon
Doctor Byeon
Kim Hie-won
Lawyer Kim
Jeong In-gi
Dong-shik
Dong Bang-woo
Chairman
