The Silent Sea poster

The Silent Sea

★ 6.9 30K votes 2021–2021 1 season · 8 episodes Ended Netflix
Space & sci-fiSpace, aliens and grand-scale science fiction.This show: 8/10SurvivalStaying alive against nature, scarcity or pursuit.This show: 7/10AtmosphericMood and place thick enough to touch.This show: 7/10TenseSustained suspense and pressure from start to finish.This show: 7/10
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Starring
Bae DoonaGong YooLee JoonKim Sun-youngLee Sung-wookJung Soon-won
Starring
Bae DoonaGong YooLee JoonKim Sun-youngLee Sung-wookJung Soon-won
Ratings per Episode
246810
Votes per Episode
03006009001k

The Silent Sea Episode Ratings Heatmap

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S17.06.77.07.17.27.27.17.26.8

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About

"A water-starved future's eeriest lunar secret"

Set in a near future where Earth's water has run dry, an elite crew is sent to a long-abandoned lunar research station to retrieve a mysterious sample before a rival nation can. What starts as a tense survival mission unravels into a slow-burn mystery with horror undertones, as the team uncovers what really happened to the station's original scientists. The pace is deliberate and moody, built on atmosphere, isolation, and dread rather than action, carried by strong lead performances and striking, eerie production design.

Watch it for

the atmospheric dread and impressive space-station visuals on a Korean sci-fi budget.

Maybe skip if

you want fast-paced action rather than a slow, mystery-driven build.

Written by our AI editor to help you decide, spoiler-free by design.

All Seasons

▼
Season 12021
7.07K86h 3m
EpTitleRatingYoursVotesRuntime
▶1Balhae Lunar Research Station6.7
1K51 min
▶2Three Storages7.0
89947 min
▶3Cause of Death7.1
86048 min
▶4The Truth Comes Out7.2
83545 min
▶5Secret Storage7.2
81540 min
▶6Key to Salvation7.1
77744 min
▶7Luna7.2
77140 min
▶8The Silent Sea6.8
89648 min

Full Cast & Crew

Cast

Bae Doona Doctor Song Ji-an
Gong Yoo Han Yoon-jae
Lee Joon Ryoo Tae-seok
Kim Sun-young Hong Ga-young
Lee Sung-wook Kim Hee Sun
Jung Soon-won Gong Soo-chan
Cha Rae-hyung E1
Yoo Hee-je E2
Yoo Seong-ju Mr. Hwang
Gil Hae-Yeon Director Choi

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