Kang Ha-neul as Yun Dong-ju

Park Jeong-min as Song Mong-gyu

Kim In-woo as Detective

Choi Hong-il as Dong-ju's Father

Kim Jung-pal as Mong-gyu's Father

Choi Hee-seo as Kumi

Shin Yoon-ju as Lee Yeo-jin

Kim Ooh-jin as Hyochi

Min Jin-woong as Kang Cheo-joong

Park Myung-shin as Mong-gyu's Mother

Lee Sun-ju as Dong-ju's Mother

Seong Hong-il as Myung Hee-jo

Choi Jong-ryul as Grandfather

Lee Bit-na as Dong-ju's Sister

Moon Sung-keun as Jung Ji-yong

Choi Jung-hun as Moon Ik-hwan

Jung Jun-won as Korean Student

Jo Ha-seok as Soldier