李小龍傳奇

徐忠信

One of Bruce's students

岑潛波

Bruce's friend in San Francisco

蔣榮發

Charlie

馮克安

Challenges Bruce on set

Carl Scott

One of Bruce's young students

梁少松

Master beaten on street

方圓

Fortune teller

葉準

Bruce's Wing Chun Sifu

Roberta Ciappi

Daughter of Italian Mobster

Donnie Williams

Karate thug

David Chow Tai-Wai

Motoyaki

Chung Chan-Chi

Richard Cheung Kuen

Student

James Coburn

Self (archive footage)

Steve McQueen

Self (archive footage)