Bae DooNa, Gong Yoo, and Lee Joon are the lead actors of this space drama. Gong Yoo is the lead actor. Gong Yoo is a top Hallyu actor who acted in the hit dramas “Coffee Prince” (2007) and “Goblin” (2016). He also acted in the popular movie “Train to Busan” (2016).Bae DooNa is the lead actress. She previously acted in the popular Netflix drama “Kingdom” and drama “Stranger”. It is the first drama that filmed Lee Joon since his military discharge (his last drama “My Father is Strange” (2017)) but he is also acting in the airing “Bulgasal: Immortal Souls”.“The Silent Sea” is based on the short film “The Sea of Tranquility” of Choi HangYong released in 2014 with the same title. He was chosen as the director of the drama. Here is more information. The Silent Sea (2021) InformationTitle: The Silent Sea/Sea of Tranquility/Goyoui bada/고요의 바다Director: Choi HangYongWriter: Park EunKyoNetwork: NetflixRuntime: Dec. 24Genre: Sci-fi, horror, thriller, Space# of Episodes: -Language: Korean SummaryDuring a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets. (Official summary of Netflix) CastBae DooNa as Dr. Song JiAhnShe is an astrobiologist. She joins the team investigating the cause of the accident on the abandoned research base on the moon. Gong Yoo as Han YoonJaeHe is the leader of the team and a soldier from a space agency. He will lead the team with charisma and outstanding competence. Lee Joon as Captain Ryu TaeSeokA talented engineer. He is an elite from the Ministry of National Defense. He decided to volunteer for the dangerous mission because he was bored from staying still in the Ministry. Kim SunYoung as Hong GaYoungShe is the doctor of the team. Lee MooSaeng as Gong SooHyukHe is in charge of the security team. Interesting FactsHere is the teaser.Here are the official posters.Here are the first pictures released by Netflix. Read More : Top 32 Most Followed Korean Actresses On Instagram & Other Korean Actresses’ Instagram