All Cast
Kim Ki-bum
Ki-bum
Donghae
Dong-hae
Kim Hee-chul
Hee-chul
Kim Young-woon
Kang-in
Choi Si-won
Si-won
Ryeowook
Ryeo-wook
Shindong
Shin-dong
Eunhyuk
Eun-hyuk
Lee Sung-min
Sung-min
Han Geng
Basketball Player
Yesung
Ye-sung
Leeteuk
Panda
Henry Lau
Background Dancer
Kwon Yu-ri
Ballerina
Jeong In-gi
Judo Coach
Byun Seung-hyun
Homeroom Teacher