Ho Tsung-Tao
Bruce Lee
Little Unicorn
Little Unicorn
Chi Ling Chiu
Mr. Chan
Fung Ging-Man
Lee Sifu
Alan Chui Chung-San
One of Bruce's students
Sham Chin-Bo
Bruce's friend in San Francisco
Mars
Charlie
Fung Hak-On
Challenges Bruce on set
Carl Scott
One of Bruce's young students
Leung Siu-Chung
Master beaten on street
Fong Yuen
Fortune teller
Ip Chun
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)