- Bruce Lee
- Billy Lo / Hai Tien (original 1972 footage)
- Gig Young
- Jim Marshall
- Dean Jagger
- Dr. Land
- Hugh O'Brian
- Steiner
- Colleen Camp
- Ann Morris
- Robert Wall
- Carl Miller
- Mel Novak
- Stick
- Kareem Abdul-Jabbar
- Hakim / Mantis (original 1972 footage) (archive footage)
- Chuck Norris
- Fighter
- Dan Inosanto
- Pasqual / Third Floor Guardian (original 1972 footage) (as Danny Inosanto)
- Billy McGill
- John
- Sammo Kam-Bo Hung
- Lo Chen
- Roy Chiao
- Henry Lo
- Tony Leung Chiu-wai
- David
- Jim James
- Surgeon
- Russell Cawthorne
- Doctor
- David Hu
- Businessman 1
- Peter Gee
- Businessman 2
- Don Barry
- Boat Captain / Hakim (double)
- Jess Hardie
- Record Producer
- Eddie Lye
- Director
- Peter Nelson
- Assistant Director
- Tae-jeong Kim
- Billy Lo
- Yuan Chieh
- Fighter accomplice (original 1972 footage)
- Han Jae Ji
- Restaurant Fighter / Quarter Floor Guardian (original 1972 footage) (archive footage)
- James Tien
- Charlie Wang / Fighter accomplice antagonist (original 1972 footage) (archive footage)
- Ho Wang
- Lau Yea-chun
- Biao Yuen
- Billy Lo / Biker in black (as Bill Yuen)
- Robert Baker
- Fighter (closing credits)
- Stephen Chang
- Ming Tao
- Chia-Yung Liu
- (uncredited)
- Szu-Ying Chien
- Old woman at the funeral
- Robert Clouse
- Carl's Second #1
- Warwick Paul Evans
- Ringside Commentator
- In-shik Hwang
- First Floor Guardian (original 1972 footage)
- Christopher Kent
- Billy Lo
- John Ladalski
- Carl Miller's second
- Ching-Ying Lam
- Macau fighter
- Kun Li
- (archive footage) (uncredited)
- Mars
- Macau fighter
- Nora Miao
- (archive footage) (uncredited)
- Andre Morgan
- Extra
- Kim Schmidt
- Blonde Script Girl on 'Way of the Dragon' & 'Fist of Fury' Set
- Maria Yi
- (archive footage) (uncredited)
- Wah Yuen
- Lo Chen's second
