
How can a mermaid from the Joseon era survive in modern-day Seoul?
The Legend of the Blue Sea
A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
Cast

Gianna Jun
Sim Chung / Se-hwa

Lee Min-ho
Heo Joon-jae / Kim Dam-ryung

Shin Hae-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
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