The Legend of the Blue Sea

Gianna Jun

Shim Cheong / Se-hwa· 20 ep

Lee Min-ho

Heo Joon-jae / Kim Dam-ryung· 20 ep

Lee Hee-jun

Jo Nam-doo / Park Moo· 20 ep

Shin Won-ho

Tae-oh· 20 ep

Shin Rin-a

Seo Yoo-na· 20 ep

Shin Hae-sun

Cha Shi-ah· 20 ep

Moon So-ri

Ahn Jin-joo· 20 ep

Na Young-hee

Mo Yoo-ran· 20 ep

Hwang Shin-hye

Kang Seo-hee/Kang Ji-yeon· 20 ep

Oh Yeon-ah

Young Kang Seo-hee/Kang Ji-yeon/Hong Nan· 20 ep

Lee Ji-hoon

Heo Chi-hyun· 20 ep

Park Hae-soo

Hong Dong-pyo· 20 ep

Sung Dong-il

Ma Dae-young / Yang Seung-gil· 20 ep

Choi Jung-woo

Heo Il-joong· 20 ep

Jinyoung

Young Heo Joon-jae/Kim Dam-ryeong· 20 ep

Hong Jin-kyung

Shim Cheong's Homeless Friend· 20 ep

Park Ji-il

Manager Nam· 20 ep

Lee Jae-won

Cha Dong-shik· 20 ep

Shim Yi-young

Young Moo Yoo-ran· 20 ep

Shin Eun-soo

Young Se-hwa· 20 ep

Kim Sung-ryung

Jang Jin-ok· 20 ep

Cho Jung-seok

Yoo Jong-hoon· 20 ep

Choi Kwon

Young Manager Nam· 20 ep

Kal So-won

Child Se-hwa· 20 ep

Jeon Jin-seo

Child Heo Joon-jae/Kim Dam-ryeong· 20 ep

Lee Ho-jae

Professor Jin Kyung-won/Fortune Teller· 20 ep

Seo Dong-won

Aquarium Manager· 20 ep

Krystal Jung

Flight Attendant· 20 ep

Kim Hye-yoon

Jang Jin-ok's Daughter· 20 ep

Sung Chang-hoon

Mr. Yang's Subordinate· 20 ep

Ko Kyu-pil

Bodyguard· 20 ep

Ahn Jae-hong

Missionary Thomas· 20 ep

Park Jin-joo

Nurse· 20 ep

Jeong Yu-mi

Kim Hee-jin· 20 ep

Kim Seul-gi

Mermaid· 20 ep

Carson Allen

Mermaid· 20 ep