The Legend of the Blue Sea

Krystal Jung

Min-ji· 21 ep

Gianna Jun

Sim Chung / Se-hwa· 20 ep

Lee Min-ho

Heo Joon-jae / Kim Dam-ryung· 20 ep

Shin Hae-sun

Cha Si-a· 20 ep

Lee Hee-jun

Jo Nam-doo / Park Moo· 20 ep

Shin Won-ho

Tae-o· 20 ep

Hwang Shin-hye

Kang Seo-hee· 20 ep

Sung Dong-il

Ma Dae-young / Mr. Yang· 20 ep

Moon So-ri

Ahn Jin-joo· 20 ep

Choi Jung-woo

Heo Gil-joong· 20 ep

Na Young-hee

Mo Yoo-ran· 20 ep

Lee Ji-hoon

Heo Chi-hyun· 20 ep

Park Hae-soo

Hong Dong-pyo· 20 ep

Kal So-won

Young Sim Chung· 20 ep

Jinyoung

Young Heo Joon-jae· 20 ep

Jeon Jin-seo

Young Heo Joon-jae· 20 ep

Shin Eun-soo

Se Hwa / Shim Chung [Young]· 3 ep

Cho Jung-seok

Yoo Jung-Hoon· 2 ep

Carson Allen

Mermaid· 1 ep

Ko Kyu-pil

Han Sung-Tae· 1 ep

Kim Yun-tae

Lawyer· 1 ep