내 청춘에게 고함

김태우

Sgt. Kim In-Ho

김혜나

Jung-Hee

이상우

Keun-Woo

キム・ナムギル

Seok-Woo

Baek Jeong-rim

Ji-eun

양은용

woman wearing pink (uncredited)

Min Young

Jung-hee's friend (uncredited)

정인기

Adulterer (uncredited)