The Blue Sea (2017): cast, story & where to watch
2017 · Series · ★ 5.5
Released in 2017, The Blue Sea is a drama and action & adventure series.
What it’s about. An action drama that tells the story of a mysterious young man who lost his memory. Jo Eun Hee is a female soldier in the navy who works with Sung Ki Soo to carry out special missions under UDU (Underwater Demolitions Unit) Sung Ki Soo is a navy lieutenant who is also a professor at the non-commissioned officer department who is the first to see through the identity of the young man who lost is memory.
Who’s in it. The Blue Sea stars Jeong Ye-in as Jo Hae-ji, Jo Ki-sung as Jung Cha-ki and Koo Ja-sung as Sung Ki-su.
How it landed. With an audience score of 5.5/10, The Blue Sea has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on Rakuten Viki and rent or buy it from Amazon Video. See the full, country-by-country breakdown on our where to watch The Blue Sea page.
If you liked it. Fans of The Blue Sea tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch The Blue Sea (2017)?
- In US, The Blue Sea is available to stream on Rakuten Viki, and rent or buy from Amazon Video. Availability varies by country — check our where-to-watch page for every region.
- Is The Blue Sea worth watching?
- The Blue Sea holds an audience score of 5.5 out of 10, and is a strong pick if you enjoy drama and action & adventure. Reactions are mixed, so it may depend on taste.
- Who stars in The Blue Sea?
- The Blue Sea stars Jeong Ye-in, Jo Ki-sung and Koo Ja-sung.
- When was The Blue Sea released?
- The Blue Sea was released in 2017.