Going by the Book

Jung Jae-young

Jeong Do-man

Son Byung-ho

Lee Seung-woo

Shin Gu

Do-man's Father

Lee Yong-yi

Do-man's Mother

Kim Kyu-chul

Kim Seon-mae

Lee Young-eun

Jeon Da-hye

Im Ji-eun

Kim Sung-mi

Ko Chang-seok

Woo Jong-dae

Min Ji-hwan

Governor

Lee Cheol-min

Cho Sung-wook

Ju Jin-mo

Manager

Lee Han-wi

Suppression Unit Commander

Yoo Min-seok

Head of Traffic Division

Jo Deok-hyeon

Staff

Gong Ho-seok

Old man