Yoo Hai-jin as Gui-bo

Kim Min-jae as Sung-woong

Lee Sung-kyoung as Ga-young

Sung Dong-il as Sung-soo

Jin Kyung as Mi-ra

Na Moon-hee as Gui-bo's Mother

Hwang Woo-seul-hye as Do-na

Park Gyu-young as So-young

Lee Han-seo as Ji-young

Kim Tae-hun as Seung-hyuk

Hyun Bong-sik as Coach

Kim Kang-hyun as

Koh Soo-hee as

Choi Yu-hwa as Hye-jung

Lee Ji-ha as

Myung Suk-geun as

Lee Ye-won as Ga-young (young)