Going by the Book

정재영

Jeong Do-man

손병호

Lee Seung-woo

신구

Do-man's Father

이용이

Do-man's Mother

김규철

Kim Seon-mae

이영은

Jeon Da-hye

임지은

Kim Sung-mi

Uhm Soo-jung

Han So-young

장소연

Reporter

고창석

Woo Jong-dae (uncredited)

Min Ji-hwan