인어공주

Jeon Do-yeon

Na-young / Young Yeon-soon

박해일

Jin-kook

고두심

Yeon-soon

Park Myung-shin

Bathhouse Owner

Shin Dong-hwan

New Postman

김추월

BBQ Restaurant Owner

이선균

Do-hyeon

윤가현

Diver 2

이성민

Fruit Store Owner

이한위

Jo Young-ho