임형국

Oh Jae-seok

Team Leader Song

Transposer

Captain

Jeon Yong-Su

Gong Hyeong-jun

경철

Kwak Ku-mok

Chen

Dad

Police Support Department (uncredited)

Hwang-jung

Jung-hyeok

Kim Ik-joo

Beom-goo

Do-hyun's Father

Tae-hoon

Seong-hun

Joon-gu

Hyeong-gook

Reporter

Hong-sik

Seung-ryong

Seong-joon

Ho-sang