Pemeran Project Silence

Lee Sun Kyun

as Cha Jeong Won

Pemeran Utama

Ju Ji Hoon (주지훈)

as Joe Park

Pemeran Utama

Kim Hee Won

as Dr. Yang

Pemeran Utama

Moon Sung Keun

as Byeong Hak [Sun Ok's husband]

Pemeran Pembantu

Ye Soo Jung

as Sun Ok [Byung Hak's dementia wife]

Pemeran Pembantu

Kim Tae Woo

as Jung Hyeon Baek [NIS director at Blue House]

Pemeran Pembantu

Park Hee Von

as Sim Mi Ran [Yu Ra's elder sister]

Pemeran Pembantu

Park Ju Hyun (박주현)

as Sim Yu Ra [Professional golfer]

Pemeran Pembantu

Kim Soo An

as Cha Gyeong Min [Cha Jung Won's daughter]

Pemeran Pembantu

Ha Do Kwon

as Kang Dae Wi / Captain Kang [Special Forces]

Pemeran Pembantu

Gu Sung Hwan

as [Bus driver]

Pemeran Pembantu

Moon Byung Joo

as BJ

Pemeran Pembantu

Jang Tae Min

as [Administrative officer]

Pemeran Pembantu

Yoo Yeon

as [Administrative officer]

Pemeran Pembantu

Jang Gwang

as [Minister of National Defense]

Bintang Tamu

Choi Jung Woo

as [Chief of staff to the president]

Bintang Tamu

Park Ho San

as [Information commander]

Bintang Tamu

Song Yoo Hyun

as [Cha Gyeong Min's mother]

Bintang Tamu

Han Ah Reum

Art Director

Hong Kyung Pyo

Cinematography

Shim Hyun Jung

Composer

Kim Yong Hwa

Screenwriter

Park Joo Seok

Screenwriter

Kim Tae Gon

Screenwriter & Sutradara

Kwak Jin Seok

as [Special Forces commander]

Bit part

Ahn Sung Bong

as An Ha Sa [Special Forces sergeant]

Bit part

Kim Chang Hwan

as [Control Room staff #1]

Bit part

Bae Myung Jin

as [Control Room staff #2]

Bit part

Yu Seung Il

as [Gas station owner]

Bit part

Lee Sang Won

as Lieutenant Lee

Bit part

Lee Mi Yoon

as [Affair couple]

Bit part

Shin Hee Chul

as [Backpacker couple]

Bit part

Kwon Ip Sae

as [Backpacker couple]

Bit part

Heo Dong Soo

as [Reporter #1] | [Standing actor Jung Won]

Bit part

Lee Kwang Ho

as [Chinook co-pilot]

Bit part

Im Yong Soon

as [NIS director]

Bit part

Lee Soon Poong

as [Minister of Foreign Affairs]

Bit part

Lee Joong Hyeon

as [Chief of staff at Blue House]

Bit part

Lee Jong Woon

as [Accident citizen #4]

Bit part

Kim Dong In

as [Accident citizen #6]

Bit part

Lee Taek Geun

Voice Actor