The Legend of the Blue Sea Ending Explained: Finale and Story Facts
A TMDB-backed guide to The Legend of the Blue Sea, including cast, release facts, genres and watch-provider notes.

The Legend of the Blue Sea (2016) — an evergreen reference for this TV series: the essentials, the cast, where to watch and what to watch next. How can a mermaid from the Joseon era survive in modern-day Seoul?
Where to watch
TMDB's U.S. watch-provider data lists Hulu, Rakuten Viki. Availability changes by country and date, so check your streaming app before watching.
Cast
Gianna Jun as Sim Chung / Se-hwa; Lee Min-ho as Heo Joon-jae / Kim Dam-ryung; Shin Hae-sun as Cha Si-a; Lee Hee-jun as Jo Nam-doo / Park Moo; Shin Won-ho as Tae-o; Hwang Shin-hye as Kang Seo-hee; Sung Dong-il as Ma Dae-young / Mr. Yang; Moon So-ri as Ahn Jin-joo
About 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.
More like The Legend of the Blue Sea
- Tidelands
- My Demon
- Tale of the Nine Tailed
- Scarlet Heart: Ryeo
- Secret Healer
- The Tale of Nokdu
- The Story of Park's Marriage Contract
- My Sassy Girl
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch The Legend of the Blue Sea?
TMDB's U.S. watch-provider data lists Hulu, Rakuten Viki. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of The Legend of the Blue Sea?
Gianna Jun as Sim Chung / Se-hwa; Lee Min-ho as Heo Joon-jae / Kim Dam-ryung; Shin Hae-sun as Cha Si-a; Lee Hee-jun as Jo Nam-doo / Park Moo; Shin Won-ho as Tae-o; Hwang Shin-hye as Kang Seo-hee; Sung Dong-il as Ma Dae-young / Mr. Yang; Moon So-ri as Ahn Jin-joo
Is this The Legend of the Blue Sea guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



