Leslie Cheung Kwok-Wing as Sam Koo Gai Ming

Anita Yuen Wing-Yee as Lam Chi Wing

Carina Lau Kar-Ling as Rose

Eric Tsang Chi-Wai as Auntie

Jordan Chan Siu-Chun as Yu Lo

Jerry Lamb Hiu-Fung as George

Law Kar-Ying as Joseph

Cheung Suet-Ling as Alice

Lawrence Cheng Tan-Shui as Mo Chow Chu

Clarence Hui as Wing's Vocal Instructor

Nelson Cheung Hok-Yun as Face at Party

Lee Hiu-Tung as Fung Bo Bo

Tsui Kwok-Keung as Paul

Joe Cheung Tung-Cho as Peter

Derek Lee Ho-Lam as Roger

Mantic Yiu as Peter's Wife

Jacob Cheung as MTV Director

Ng Chin-Yan as Busty Lian

Matthew Tang Hon-Keung as Building Security Guard

Chan Wai-Lung as Wing's Dance Instructor

Chen Yong-Liang as Audition Judge

Liu Fung-Ping as Audition Judge

Irene as Audition Judge

May Lam Lai-Mei as Rose's Mahjong Friend

Leung Yiu-Hei as Audition Contestant #1

Yue Tin-Lok as Audition Contestant #2

Tsang Ho-Yin as Audition Contestant #3

Yu Dai-Keung as Audition Contestant #4

Fung Ka-Leung as Audition Contestant #5

Tse Bak-Chuen as Audition Contestant #6

Ng Ming-Wai as Audition Contestant #7

Lai Wing-Yan as Audition Contestant #8

Osman Hung as Audition Contestant #9

Chu Ga-Yiu as Audition Contestant #10

Tang Chi-Sam as Audition Contestant #11

Jason Lee Jones as Audition Contestant #12

Jimmy Lee as Audition Contestant #13

Chan Chi-Ban as Old Band Member

Wong Sek-Ning as Old Band Member

Winston Yeh Ying-Wen as Old Band Member

Hui Sek-Hung as Old Band Member

Cipriano Antonio as Old Band Member