+16เงือกสาวตัวร้ายกับนายต้มตุ๋น

ช็อน จี-ฮย็อน

Shim Cheong / Se-hwa

อี มิน-โฮ

Heo Joon-jae / Kim Dam-ryung

อี ฮี-จุน

Jo Nam-doo / Park Moo

Shin Won-ho

Tae-oh

Shin Rin-a

Seo Yoo-na

신혜선

Cha Shi-ah

문소리

Ahn Jin-joo

나영희

Mo Yoo-ran

황신혜

Kang Seo-hee/Kang Ji-yeon

오연아

Young Kang Seo-hee/Kang Ji-yeon/Hong Nan

이지훈

Heo Chi-hyun

박해수

Hong Dong-pyo

성동일

Ma Dae-young / Yang Seung-gil

최정우

Heo Il-joong

진영

Young Heo Joon-jae/Kim Dam-ryeong

홍진경

Shim Cheong's Homeless Friend

박지일

Manager Nam

Lee Jae-won

Cha Dong-shik

심이영

Young Moo Yoo-ran

신은수

Young Se-hwa