Decibel

Kim Rae-won

As Kang Do-young

Lee Jong-suk

As Jeon Tae-sung

Jung Sang-hoon

As Oh Dae-oh

Park Byung-eun

As Cha Young-han

Lee Sang-hee

As Jung Yoo-jung

Jo Dal-hwan

As No Jeong-seop

Cha Eun-woo

As Jeon Tae-ryong

Lee Min-ki

As Hwang Young-woo

Kim Seul-gi

As Han Mi-nyeo

Kang Kyung-hun

As Manager

Woo Ji-hyun

As Kim Yoo-taek

Noh Sung-eun

As Cook

Lee Seung-hun

As Lieutenant Commander Kim

Yoon Jung-yeol

As Captain

Kim Geon

As Radar Specialist

Lee Jae-jun

As Oh Byung-gu

Shin Yun-ju

As Kang Seol-yeong

Jeon Ah-hee

As Teacher

Na Hyun-woo

As Sung-woo

Jo Yeon-woo

As Dae-woo

Park Jin-soo

As Minister

Cho Kang-hyuk

As Ship crew

Jeong Woo-hyuk

As Chief of Naval Staff

Moon Seong-hwan

As Soccer Referee 4

Jung Hyun-ji

As Rude Customer

Lee Sang-ha

As Defense Security Command

Shin Chi-young

As Detective

Myeong Hong-jin

As Chief Engineer