Sammo Hung

Master Yu Jim-Yuen

Lam Ching-Ying

Uncle Hua

Cheng Pei-pei

Master Cheng

Lee Din-Hing

Cheng Lung's Mother

Yeung Yam-Yin

Child Sammo

Chung Gam-Yam

Teenage Sammo

Siu Ming-Fui

Child Ah-Lung (Big Nose/Jackie Chan)

Cheung Man-Lung

Teenage Ah-Lung (Big Nose/Jackie Chan)

Goo Fai

Child Yuen Biao

Wong Kim-Wai

Teenage Yuen Biao

Winnie Lau Siu-Wai

Hsiao-hsien

Jue Yam-Fai

Child Ming

Ricky Ho Pui-Tung

Teenage Ming

Chow Chan-Nin

Wong Kwong-Wah

John Shum Kin-Fun

Stagehand

Wu Ma

Film Director

Siu Yiu-Kei

Lee Lung-Fei

Chan Pui-Yin

Yu Hiu-Fan

Chu Wai-Ming

Yu Hiu-Tung

Fung Chan-Ban

Lam Chung-Yeung

William Cheng Wai-Ming

Chan Chi-Ching

David Yeung

Teenage No. 8

Chow Gam-Kong

Wire Team Member (uncredited)

Chun Kwai-Bo

Wire Team Member (uncredited)

Ho Pak-Kwong

Casting Director (uncredited)

Alex Law Kai-Yui

Neighbour Tailor (uncredited)

Mak Shu-San

Cake Seller (uncredited)

Pang Yun-Cheung

Wire Team Member (uncredited)

Kenneth Smyth

Priest (uncredited)