Bruce Lee ( Bruce Lee )

Billy Lo

Gig Young ( Gig Young )

Jim Marshall

Dean Jagger ( Dean Jagger )

Dr. Land

Hugh O'Brian ( Hugh O'Brian )

Steiner

Colleen Camp ( Colleen Camp )

Ann Morris

Robert Wall ( Robert Wall )

Carl Miller

Mel Novak ( Mel Novak )

Stick

Kareem Abdul-Jabbar ( Kareem Abdul-Jabbar )

Hakim

Chuck Norris ( Chuck Norris )

Colt

Dan Inosanto ( Dan Inosanto )

Pasqual

Billy McGill ( Billy McGill )

John

Sammo Hung ( 洪金寶 )

Lo Chen

Roy Chiao ( Roy Chiao )

Henry Lo

Kim Tae-Jeong ( 김태정 )

Billy Lo

James Tien Chuen ( James Tien Chuen )

Charlie Wang

Wang Ho ( Wang Ho )

Lau Yea-chun (archive footage)

Bolo Yeung ( Bolo Yeung )

Yuen Biao ( Yuen Biao )

Billy Lo

Robert Clouse ( Robert Clouse )

Carl's Second #1 (uncredited)

Warwick Paul Evans ( Warwick Paul Evans )

Ringside Commentator (uncredited)

Lam Ching-Ying ( Lam Ching-Ying )

Macau Fighter (uncredited)

Mars ( 蔣榮發 )

Macau Fighter (uncredited)

Nora Miao ( Nora Miao )

(archive footage) (uncredited)

André E. Morgan ( André E. Morgan )

(uncredited)

Betty Ting Pei ( Betty Ting Pei )

(uncredited)

Yuen Wah ( Yuen Wah )

Lo Chen's Second (uncredited)

Paul Chung Fat ( Paul Chung Fat )

(uncredited)

Stephen Chang ( Stephen Chang )

Ming Tao (uncredited)

Lau Kar-Wing ( Lau Kar-Wing )

(uncredited)

Jim James ( Jim James )

Surgeon

Austin Wai Tin-Chi ( Austin Wai Tin-Chi )