Pemeran The Silent Sea

Bae Doo Na

as Song Ji An

Pemeran Utama

Gong Yoo (공유)

as Han Yun Jae

Pemeran Utama

Lee Joon (이준)

as Ryu Tae Seok

Pemeran Utama

Kim Sun Young

as Hong Ga Young [Doctor]

Pemeran Pembantu

Lee Moo Saeng

as Gong Soo Hyuk [Chief]

Pemeran Pembantu

Lee Sung Wook

as Kim Hee Sun

Pemeran Pembantu

Kil Hae Yeon

as Director Choi [Space & Aeronautics Administration]

Pemeran Pembantu

Heo Sung Tae

as Kim Jae Sun [Space & Aeronautics Admin section chief]

Pemeran Pembantu

Jung Soon Won

as Gong Soo Chan

Pemeran Pembantu

Cha Rae Hyoung

as E1

Pemeran Pembantu

Yoo Hee Je

as E2

Pemeran Pembantu

Choi Young Woo

as Lee Ki Soo

Pemeran Pembantu

Yoo Sung Joo

as Mr. Hwang

Pemeran Pembantu

Choi Hee Jin

as [NMC doctor]

Pemeran Pembantu

Kim Si A

as Luna

Pemeran Pembantu

Do Yeong Seo

as Han Ha Jin

Pemeran Pembantu

Kang Ji Woo

as Song Ji An [Young; 14-yo]

Pemeran Pembantu

Kong Jin Seo

as Song Won Kyung [Young; 19-yo]

Pemeran Pembantu

Lee Dong Gyu (이동규)

as [Anchorman] (Ep. 1)

Bintang Tamu

Daniel C. Kennedy

as [Anchorman] (Ep. 1)

Bintang Tamu

Ahn Dong Goo

as [Space & Aeronautics Admin, rookie] (Ep. 1)

Bintang Tamu

Ahn Se Bin

as [Girl in the crowd] (Ep. 6)

Bintang Tamu

Ahn Sung Bong

as [Soldier] (Ep. 8)

Bintang Tamu

Jung Woo Sung

as [The man in twer] (Ep. 8)

Bintang Tamu

Yoon Hye Ree

as Eun Ji Young [Original co-pilot]

Bintang Tamu

Jo Han Joon

as Kim Dong Hyeon [Researcher]

Bintang Tamu

Baek Yoon Seok

Cinematography

Choi Hang Yong

Sutradara

Yang Jin Mo

Editor

Jung Woo Sung

Executive Producer

Park Eun Kyo

Screenwriter