百變星君

Stephen Chow

Lee Chak-Sing

Gigi Leung Wing-Kei

Chung-Chung

Richard Ng Man-Tat

Tat

Paulyn Sun

Bonnie

Joe Cheng Cho

Fumito

Elvis Tsui Kam-Kong

Professor Chang Sze

Manfred Wong Man-Chun

Principal

Alvina Kong Yan-Yin

Mrs. Deng

Johnny Siu Juen Dang

John Deng

Mimi Chu Mai-Mai

Sing's Mother

Wong Yat-Fei

Lee Yat Fei

Guy Lai Ying-Chau

Mr. Deng