Going by the Book

Jung Jae-young

as

Jeong Do-man

Son Byung-ho

as

Lee Seung-woo

Shin Goo

as

Do-man's Father

Lee Yong-i

as

Do-man's Mother

Kim Kyu-chul

as

Kim Seon-mae

Lee Young-eun

as

Jeon Da-hye

Im Ji-eun

as

Kim Sung-mi

Uhm Soo-jung

as

Han So-young

Jang So-yeon

as

Reporter

Ko Chang-seok

as

Woo Jong-dae (...

Min Ji-hwan