Kang Ha-na as Jung-min

Choi Ri as Eun-kyung

Seo Mi-ji as Young-hee

Son Sook as Young-ok / Young-hee

Yi Seung-hyeon as Tanaka

Im Seong-cheol as Ryusuke

Jeong Mu-seong as Kinoshita

Lee Yoo-rin as Girl stand-in (uncredited)

Jeong In-gi as Jung-min's Father (uncredited)

Oh Ji-hye as Jung-min's Mother (uncredited)

Hong Se-na as Ok-bun

Kim Si-eun as Bon-sook

Nam Sang-ji as Zhao Fei

Cha Soon-hyeong as Yoshimi

Park Ji-hee as Soon-yi

Kim Dong-won as Matsumoto