Directed by:
Hyeok JinScreenplay:
Ji-eun ParkComposer:
吉俣良Cast:
Ji-hyun Jun, Min-ho Lee, Hui-jun Lee, So-ri Moon, Hye-seon Shin, Krystal Jung, Seong-ryeong Kim, Yi-young Shim, Dong-il Seong, Jeong-seok Jo, Yoo-mi Jeong (more)Episodes(20)
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Episode 1 (E01)
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Episode 2 (E02)
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Episode 3 (E03)
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Episode 4 (E04)
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Episode 5 (E05)
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Episode 6 (E06)
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Episode 7 (E07)
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Episode 8 (E08)
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Episode 9 (E09)
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Episode 10 (E10)
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Episode 11 (E11)
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Episode 12 (E12)
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Episode 13 (E13)
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Episode 14 (E14)
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Episode 15 (E15)
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Episode 16 (E16)
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Episode 17 (E17)
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Episode 18 (E18)
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Episode 19 (E19)
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Episode 20 (E20)
Plots(1)
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. (Netflix)
Cast
![Ji-hyun Jun](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/088/160088288_14bdfa.jpg)
Ji-hyun Jun
South Korea
Best series:
My Love from the Star (2013) (series)
Kingdom (2019) (series)
Vagabond (2019) (series)
![Min-ho Lee](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/238/166238142_f48cef.jpg)
Min-ho Lee
South Korea
Best series:
City Hunter (2011) (series)
Personal Taste (2010) (series)
Boys Over Flowers (2009) (series)
![Hui-jun Lee](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/261/160261393_d47fcd.jpg)
Hui-jun Lee
South Korea
Best series:
The Legend of the Blue Sea (2016) (series)
The Princess' Man (2011) (series)
Mouse (2021) (series)
![So-ri Moon](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/074/160074485_9c1bf4.jpg)
So-ri Moon
South Korea
Best series:
The Legend of the Blue Sea (2016) (series)
Queenmaker (2023) (series)
![Hye-seon Shin](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/167/993/167993083_b6m2cc.jpg)
Hye-seon Shin
South Korea
Best series:
Hymn of Death (2018) (series)
Stranger (2017) (series)
The Legend of the Blue Sea (2016) (series)
![Krystal Jung](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/896/160896223_0c32cf.jpg)
Krystal Jung
USA
Best series:
Prison Playbook (2017) (series)
The Legend of the Blue Sea (2016) (series)
Police University (2021) (series)
![Seong-ryeong Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/142/158142348_232afa.jpg)
Seong-ryeong Kim
South Korea
Best series:
You Are Beautiful (2009) (series)
Wild King (2013) (series)
The Legend of the Blue Sea (2016) (series)
![Yi-young Shim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/261/160261377_bf413a.jpg)
Yi-young Shim
South Korea
Best series:
Empress Ki (2013) (series)
The Guest (2018) (series)
The Legend of the Blue Sea (2016) (series)
![Dong-il Seong](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/377/160377501_b950ca.jpg)
Dong-il Seong
South Korea
Best series:
Prison Playbook (2017) (series)
Scarlet Heart (2016) (series)
My Girlfriend Is a Gumiho (2010) (series)
![Jeong-seok Jo](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/018/160018318_265881.jpg)
Jeong-seok Jo
South Korea
Best series:
Hospital Playlist (2020) (series)
The Legend of the Blue Sea (2016) (series)
Captivating the King (2024) (series)
![Yoo-mi Jeong](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/356/160356605_87bbff.jpg)
Yoo-mi Jeong
South Korea
Best series:
Dawn (2010) (series)
Rooftop Prince (2012) (series)
The Legend of the Blue Sea (2016) (series)
![Yeon-ah Oh](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/098/162098693_4e76ef.jpg)
Yeon-ah Oh
South Korea
Best series:
Signal (2016) (series)
Defendant (2017) (series)
The Package (2017) (series)
![Jae-hong Ahn](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/654/160654769_942d12.jpg)
Jae-hong Ahn
South Korea
Best series:
Kingdom (2019) (series)
The Legend of the Blue Sea (2016) (series)
Fight for My Way (2017) (series)
![Jin-joo Park](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/159/413/159413851_e901ef.jpg)
Jin-joo Park
South Korea
Best series:
While You Were Sleeping (2017) (series)
The Legend of the Blue Sea (2016) (series)
Encounter (2018) (series)
![Tae-hyeon Cha](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/273/273334_814744.jpg)
Tae-hyeon Cha
South Korea
Best series:
Moving (2023) (series)
The Legend of the Blue Sea (2016) (series)
The Best Hit (2017) (series)
![Kwon Choi](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/346/160346726_8ea5aa.jpg)
Kwon Choi
South Korea
Best series:
The Legend of the Blue Sea (2016) (series)
The King 2hearts (2012) (series)
A Love to Kill (2005) (series)
![Jinyoung](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/161/603/161603397_1eb814.jpg)
Jinyoung
South Korea
Best series:
Dream High (2011) (series)
Yumi’s Cells (2021) (series)
The Legend of the Blue Sea (2016) (series)
![Kang-hyeon Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/161/616/161616176_2d963f.jpg)
Kang-hyeon Kim
South Korea
Best series:
My Love from the Star (2013) (series)
Just Lovers (2017) (series)
Good Manager (2017) (series)
![Eun-soo Shin](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/347/162347588_cdae73.jpg)
Eun-soo Shin
South Korea
Best series:
Summer Strike (2022) (series)
The Legend of the Blue Sea (2016) (series)
Sparkling Watermelon (2023) (series)
![So-won Kal](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/263/158263873_cd2109.jpg)
So-won Kal
South Korea
Best series:
The Legend of the Blue Sea (2016) (series)
Doctors (2016) (series)
A Korean Odyssey (2017) (series)