이승기

Kang Joon-soo

문채원

Kim Hyun-woo

이서진

Lee Dong-jin

정준영

Andrew Yeom

Go Yoon

Jae-joong

박수영

Min-ah

류화영

Hee-jin

박시은

Joon-hee

Ha Kyoung-min

Han Seong-goo

박은지

Cha Myung-sun

임하룡

Principal

Kim Kap-soo

Joon-soo's Father

이경진

Joon-soo's Mother

송영창

HQ Chief

김부선

Hyun-woo's Mother

Lim Jong-yun

Director

김광규

Bald Man

홍석천

Restaurant Owner

이주연

Joon-soo's Girlfriend

Kim So-yeon

Joon-soo's Ex-girlfriend 1

Son Ga-in

Joon-soo's Ex-girlfriend 2

박지연

Weather Woman

이동진

Staff

박희건

Joon-hee's Boyfriend

Hong Hwa-Ri

Young Hyun-woo

Lee Young-bum

Military Instructor

Cho Young-joon

Young Joon-soo

이영범

Military Assistant Teacher

남능미

Baths

박진표

Co-Producer

박진표

Director

Woo Je-hyung

Set Decoration

정군

Production Sound Mixer

권지훈

Stunts

박진표

Screenplay

이병헌

Screenplay

Song Seung-hyun

Boom Operator

Sung Seung-taek

Director of Photography

Yongwoo Kim

Compositor

Han Sung-goo

Producer

Moon Hyun-suk

Writer

Yim Ji-woo

Production Assistant

박진홍

Sound Effects Designer

이한

Adaptation

Kang Sang-hyup

Camera Operator

Kwon Su-kyung

Makeup & Hair

Kim Jung-won

Costume Design

Ryu Yeon

Digital Intermediate Producer

Kang Sook

Continuity