The Silent Sea
고요의 바다
“A lunar Alien — a deadly water heist on the moon”
During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.
Bae Doona
as Song Ji-an · LEAD
Bae Doona
Song Ji-an
Gong Yoo
as Han Yun-jae · LEAD
Gong Yoo
Han Yun-jae
Lee Joon
as Ryu Tae-suk · SUPPORTING
Lee Joon
Ryu Tae-suk
Kim Sun-young
as Hong Ga-young · SUPPORTING
Kim Sun-young
Hong Ga-young
Lee Mu-saeng
as Gong Soo-hyuk · SUPPORTING
Lee Mu-saeng
Gong Soo-hyuk
Lee Sung-wook
as Kim Hee-sun · SUPPORTING
Lee Sung-wook
Kim Hee-sun
Jung Soon-won
as Gong Soo-chan · SUPPORTING
Jung Soon-won
Gong Soo-chan
Choi Young-woo
as Lee Ki-soo · SUPPORTING
Choi Young-woo
Lee Ki-soo
Streaming
Where to watch
Availability varies by region · Data by JustWatch via TMDB
Quick verdict
Should you watch?
A sleek, moody sci-fi that values dread over fast thrills.
✓Fans of slow-burn sci-fi horror, space-station mysteries, Gong Yoo and Bae Doona
✗You need a brisk pace — it's deliberate and atmosphere-first
Story
What is it really about
In a parched future, a crew lands at an abandoned lunar research base to retrieve a mysterious sample. What killed everyone there is still loose, and the mission's real purpose is a lie.
Did you know
Trivia & facts
You may like
Similar Dramas
The Bequeathed
선산
Same atmospheric, bleak tone
Beyond Evil
괴물
Same atmospheric, slow-burn tone
The Frog
아무도 없는 숲속에서
Same bleak, slow-burn tone
Encounter
남자친구
Same atmospheric, slow-burn tone
Strangers from Hell
타인은 지옥이다
Same claustrophobic tone
FAQ