Project Silence

Lee Sun-kyun

Cha Jeong-won

Ju Ji-hoon

Jo Park

Kim Hie-won

Doctor Yang

Moon Sung-keun

Byeong-hak

Ye Su-jeong

Soon-ok

Kim Tae-woo

Jeong Hyeon-baek

Park Hee-von

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

Ku Sung-hwan

Bus Driver

Park Ho-san

Deputy Intelligence Commander

Moon Byeong-ju

BJ