The Legend of the Blue Sea

Gianna Jun

Shim Cheong / Se-hwa

Lee Min-ho

Heo Joon-jae / Kim Dam-ryung

Lee Hee-jun

Jo Nam-doo / Park Moo

Shin Won-ho

Tae-oh

Shin Rin-a

Seo Yoo-na

Shin Hae-sun

Cha Shi-ah

Moon So-ri

Ahn Jin-joo

Na Young-hee

Mo Yoo-ran

Hwang Shin-hye

Kang Seo-hee/Kang Ji-yeon

Oh Yeon-ah

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

Lee Ji-hoon

Heo Chi-hyun

Park Hae-soo

Hong Dong-pyo

Sung Dong-il

Ma Dae-young / Yang Seung-gil

Choi Jung-woo

Heo Il-joong

Jinyoung

Young Heo Joon-jae/Kim Dam-ryeong

Hong Jin-kyung

Shim Cheong's Homeless Friend