The Legend of the Blue Sea

Gianna Jun

Sim Chung / Se-Hwa

Lee Min-ho

Heo Joon-Jae / Kim Dam-Ryung

Shin Hye-sun

Cha Si-A

Lee Hee-jun

Jo Nam-Doo / Park Moo

Shin Won-ho

Tae-O

Hwang Shin-hye

Kang Seo-Hee

Sung Dong-il

Ma Dae-Young / Mr. Yang

Moon So-ri

Ahn Jin-Joo

Choi Jung-woo

Heo Gil-Joong

Na Young-hee

Mo Yoo-Ran

Lee Ji-hoon

Heo Chi-Hyun

Park Hae-soo

Hong Dong-Pyo

Krystal Jung

Min-Ji

Shin Eun-soo

Sim Chung (Young)

Kal So-won

Sim Chung (Child)

Jinyoung

Heo Joon-Jae (Young)

Jeon Jin-seo

Heo Joon-Jae (Child)