Cast:

DIAMOND:-
Takizawa Takako (Leader, Rapper, Japanese)
Nishikido Chika (Main dancer, Choreographer, Japanese)
Park Yuri (Supporting vocal & dancer, Mixed)
Imai Nana (Main vocal, Japanese)
Lee Jieun (Youngest, Vocal, Korean)
Hamasaki Inhye (Manager, Mixed)

Kim Jaejoong (Model, Soloist, Song writer, Korean)
Kim Junsu (Manager, Korean)

- R@|b0w Entertainment

MBLAQ:-
Seungho (Leader, Supporting vocal & dancer)
G.O (Main vocal)
Joon (Vocal)
Thunder (Main dancer, Vocal, Rapper)
Mir (Youngest, Rapper)

- JYP Entertainment

Lee Donghae (Dancer, Korean)
Jang Wooyoung (Choreographer, Korean)
RYO (Choreographer, Japanese)
Takizawa Takeshi (Producer, Japanese)
Lee Jeffrey (Producer, American Korean)
Jung Sooyeon (Dresser, Korean)
Inoue Yuna (Dresser, Japanese)
Hwang Miyoung (Make-up artist, Korean)
Iwata Rei (Make-up artist, Japanese)
Kwon Yuri (Hair stylist, Korean)
Arakaki Hitoe (Hair stylist, Japanese)
Leon as Park Jungsu (Reporter)

Kim Heechul (Radio DJ, Korean)
Uehara Takako (Radio DJ, Japanese)
Kwon Boa (Korean & Japanese teacher)