Bruce Lee
— Kid Cheung
Yee Chau-Sui
— Uncle Ho
Lee Hoi-Chuen
— Hung Pak-Ho
馮峰
— Flash Knife Lee
陳惠瑜
— Lui Mei
Yuen Biu-Wan
— Boaster Chiu
Ko Lo-Chuen
— Secretary Ko
Tong Yuen
— So-Mui
Chiang Kwai-Lam
— Ah Ngau
馮素波
— Ah Chu
Chow Chi-Sing
— Four-Eyed Joe/Tsui
Yip Ping
— Hung's wife
Go Chiu
— Secretary
Yip Yan-Foo
— Teacher
Ding Ling
— Staff
馮敬文
— Gang member
Tse Tin
— Ratso Bing
Lee Chau-wan
— Maid
Lisa Mok
— Factory worker
羅蘭
— Factory worker
Chan Lap-Ban
— Landlady