© 2026 The Couch Critic
Status
Ended
Release
2016 - 2017
Seasons / Eps
1 / 20
Streaming availability by country
"How can a mermaid from the Joseon era survive in modern-day Seoul?"
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.
21 Cast Members
Krystal Jung
Min-ji
20 Episodes
Gianna Jun
Sim Chung / Se-hwa
20 Episodes
Lee Min-ho
Heo Joon-jae / Kim Dam-ryung
20 Episodes
Shin Hae-sun
Cha Si-a
20 Episodes
Lee Hee-jun
Jo Nam-doo / Park Moo
20 Episodes
Shin Won-ho
Tae-o
20 Episodes
Hwang Shin-hye
Kang Seo-hee
20 Episodes
Sung Dong-il
Ma Dae-young / Mr. Yang
20 Episodes
Moon So-ri
Ahn Jin-joo
20 Episodes
Choi Jung-woo
Heo Gil-joong
20 Episodes
Na Young-hee
Mo Yoo-ran
20 Episodes
Lee Ji-hoon
Heo Chi-hyun
20 Episodes
Park Hae-soo
Hong Dong-pyo
20 Episodes
Kal So-won
Young Sim Chung
20 Episodes
Jinyoung
Young Heo Joon-jae
20 Episodes
Jeon Jin-seo
Young Heo Joon-jae
20 Episodes
Shin Eun-soo
Se Hwa / Shim Chung [Young]
3 Episodes
Cho Jung-seok
Yoo Jung-Hoon
2 Episodes
Carson Allen
Mermaid
1 Episodes
Ko Kyu-pil
Han Sung-Tae
1 Episodes
