Project Silence

Lee Sun-kyun

Cha Jeong-won

Ju Ji-hoon

Jo Park

Kim Hie-won

Doctor Yang

Moon Song-keun

Byeong-hak

Ye Su-jeong

Soon-ok

Kim Tae-woo

Jeong Hyeon-baek

Park Hee-bon

Sim Mi-ran

Park Ju-hyun

Sim Yoo-ra

Kim Su-an

Cha Kyeong-min

Ha Do-kwon

Captain Kang

Jang Kwang

Defense Minister

Choi Jung-woo

Chief Secretary

구성환

Bus Driver

Park Ho-san

Deputy Intelligence Commander

Moon Byeong-ju

BJ

Song You-hyun

Kyung-min's Mother

Jang Tae-min

Official

Yoo Yeon

Official

곽진석

Special Commander

Ahn Seong-bong

Staff Sergeant Ahn

Kim Chang-hwan

Control Room Staff

배명진

Control Room Staff

Lee Sang-won

Lieutenant Lee

이미윤

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