Decibel

Kim Rae-won

Kang Do-young

Lee Jong-suk

Jeon Tae-sung

Jung Sang-hoon

Oh Dae-oh

Park Byung-eun

Cha Young-han

Lee Sang-hee

Jung Yoo-jung

Jo Dal-hwan

No Jeong-seop

Cha Eun-woo

Jeon Tae-ryong

Lee Min-ki

Hwang Young-woo

Kim Seul-gi

Han Mi-nyeo

Kang Kyung-hun

Superintendent

Woo Ji-hyun

Kim Yoo-taek

Noh Sung-eun

Cook

Lee Seung-hun

Lieutenant Kim / Jeon Tae-sung (voice)

Yoon Jung-yeol

Captain

Kim Geon

Radar Specialist / Security Agent (voice)

Jang Se-won

Engine Room Crew Member 1

Ahn Tae-hwan

Engine Room Crew Member 2

Ryoo Si-an

Engine Room Crew Member 3

Myeong Hong-jin

Chief Engineer / EOD Specialist (voice)

Han Min-yeob

Second Lieutenant Kim