Decibel

Kim Rae-won

as

Kang Do-young

Lee Jong-suk

as

Jeon Tae-seong

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

Roh Jung-sub

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-hyeon

as

Kim Yoo-taek

Jeon Ah-hee

as

Teacher

Na Hyun-woo

as

Sung-woo

Jo Yeon-woo

as

Dae-woo

Shin Yun-ju

as

Kang Seol-yeong

Park Jin-soo

as

Minister

Cho Kang-hyuk

as

Ship crew

Jeong Woo-hyuk

as

Chief of Naval...

Moon Seong-hwan

as

Soccer Referee...

Jung Hyun-ji

as

Rude Customer