Comedy, Drama, Sci-Fi & Fantasy
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.
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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
Park Ji-il
Manager Nam
Lee Jae-won
Cha Dong-shik
Shim Yi-young
Young Moo Yoo-ran
Shin Eun-soo
Young Se-hwa
Kim Sung-ryung
Jang Jin-ok
Cho Jung-seok
Yoo Jong-hoon
Choi Kwon
Young Manager Nam
Kal So-won
Child Se-hwa
Jeon Jin-seo
Child Heo Joon-jae/Kim Dam-ryeong
Lee Ho-jae
Professor Jin Kyung-won/Fortune Teller
Seo Dong-won
Aquarium Manager
Krystal Jung
Flight Attendant
Kim Hye-yoon
Jang Jin-ok's Daughter
Sung Chang-hoon
Mr. Yang's Subordinate
Ko Kyu-pil
Bodyguard
Ahn Jae-hong
Missionary Thomas
Park Jin-joo
Nurse
Jeong Yu-mi
Kim Hee-jin
Kim Seul-gi
Mermaid
Carson Allen
Mermaid
