The Ugly Duckling

Kim Jun-ku

Nak-man

Oh Dal-su

Nak-man's Father

Jo Min-jun

Lieutenant

Jung Ye-jin

Hye-rim

Moon Won-ju

Monk in Training

Ko Yeong-il

General

Yang Joong-kyeong

HR

Park Hye-seon

Staff Sergeant Kwon

Kim Han-jun

Private First Class Park

Kim Sung-ryung

Nak-man's Mother

Kim Jung-woo

Military Police #2

Hwang Sung-joon

Military Cook