Cast 14
Kim Jae-joongLee Goon
Jin Se-yeonKyung Joo-yeon
Lee Jong-wonLee SinYYang Hye-jiJun Sae-yan
Lee Jun-hyeokLee Seok-du
Yun Yoo-sunEun Ji-seon
Bae Hae-seonCho Yeon-sil
Lee RubyCha Si-on
Han Sang-jinHong Joon-man
Kim Kwang-kyuHan Dong-chil
Jang Eui-sooNam Jin
Yoon Hee-wonCast member
Jo Yi-hyunLee Sin (young)
Yang Dong-geun[Tennis announcer]