Going by the Book

Jung Jae-young

Jeong Do-man

Son Byung-ho

Lee Seung-woo

Shin Gu

Do-man's Father

Lee Yong-i

Do-man's Mother

Kim Kyu-chul

Kim Seon-mae

Lee Young-eun

Jeon Da-hye

Im Ji-eun

Kim Sung-mi

Uhm Soo-jung

Han So-young

Jang So-yeon

Reporter

Ko Chang-seok

Woo Jong-dae (uncredited)

Min Ji-hwan