Bruce Lee

Billy Lo

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

Chuck Norris

Colt

Dan Inosanto

Pasqual

Billy McGill

John

Sammo Hung

Lo Chen

Roy Chiao

Henry Lo

Kim Tae-jeong

Billy Lo

James Tien Chun

Charlie Wang

Yuen Biao

Billy Lo

Jim James

Surgeon

Austin Wai Tin-Chi

Lo Chen's Cornerman (uncredited)

Casanova Wong

Lau Yea-chun (archive footage)

Stephen Chang

Ming Tao (uncredited)

Warwick Paul Evans

Ringside Commentator (uncredited)

Lam Ching-Ying

Macau Fighter (uncredited)

Mars

Macau Fighter (uncredited)

Robert Clouse

Carl's Second #1 (uncredited)

Yuen Wah

Lo Chen's Cornerman (uncredited)

Nora Miao

(archive footage) (uncredited)

Lau Kar-Wing

(uncredited)

Paul Chung Fat

(uncredited)

Betty Ting Pei

(uncredited)

Andre Morgan

(uncredited)

Tony Leung

David

Ji Han-jae

Restaurant Fighter / Middle Floor Guardian (uncredited)