“The Silent Sea” Kdrama 2021 | Cast | Synopsis | Preview & more

Overview: “The Silent Sea” Kdrama (also known as “The Sea of Silence”) is a Netflix original drama series that released on 24 October, 2021. It will tell a sci-fi thriller story about the future where there is scarcity of food and water. “The Silent Sea” stars Gong Yoo, Bae Doona and Lee Joon in the main cast. It is available to watch online on streaming platform Netflix*.

Table of Contents

  • Synopsis
  • Genre
  • Cast
  • Air Time & Schedule
  • Episodes & Ratings
  • Still Cuts
  • Notes & Facts
  • Where To Watch Online?
  • Trailers & Clips


“The Silent Sea” tells sci-fi thriller story about the future where there is scarcity of food and water.

A special aeronautical team is assigned to collect the samples from an abandoned research base on the moon. Some time ago, astronauts were killed there due to an accident.

Han Yoon Jae (Gong Yoo) is the exploration team leader who cares a lot about his team’s safety.

Doctor Song Ji An (Bae Doona) is the astrobiologist in the team. She tries her best to find the reason of accident at the abandoned research base.

Captain Ryoo Tae Seok who is also the head engineer. He was an elite member of the ministry of National Defense. He didn’t like to be in ministry, so he joined the mission of the special aeronautical team at abandoned research base.


Thriller, Science-fiction, Mystery, Horror

Main Cast & Characters

  • Gong Yoo as Han Yoon Jae
  • Bae Doo Na as Song Ji An
  • Lee Joon as Ryu Tae Seok

Supporting Cast

  • Heo Sung Tae as Kim Jae Sun
  • Lee Moo Saeng as Gong Soo Hyuk
  • Jung Soon Won as Soo Chan
  • Heo Jung Do
  • Lee Joon Hyuk
  • Kim Sun Young
  • Yoo Hee Je

Air Time & Schedule

All episodes released on 24 December 2021

Episodes & Ratings

“The Silent Sea” Korean drama will have a total of 8 episodes.

Still Cuts

“The Silent Sea” behind the scenes

Notes & Facts

  • The filming for the kdrama began in August 2020.
  • The drama is adopted from 2014 short film “The Sea of Tranquility”, written and directed by the Choi Hang Yong. He also directed this Netflix original series.
  • “The Silent Sea” is also a part of Netflix’s $500 million investment into Korean content.
  • Actor Lee Joon acting for the first time after discharging from South Korea military service on 19 December, 2019.
  • Gong Yoo earlier appeared in Korean drama “Squid Game” (2021).
  • Bae Doona earlier starred in Korean drama “Stranger 2” (2020).
  • Lee Joon is currently starring in Korean drama “Bulgasal: Immortal Souls” (2021).

Where To Watch Online?

You can watch “The Silent Sea” on Netflix here.

Trailers & Clips

*Drama is subject to regional availability.

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