Onder andere met: Bruce Lee (Billy-Lo (archive footage)), Colleen Camp (Ann Morris), Dean Jagger (Dr. Land), Gig Young (Jim Marshall), Tai Chung Kim (Billy Lo (as Kim Tai Jong)), Biao Yuen (Billy Lo (as Bill Yuen)), Robert Wall (Carl Miller), Kareem Abdul-Jabbar (Hakim (archive footage)), Mel Novak (Stick), Hugh O'Brian (Steiner), James Tien (Charlie Wang), Dan Inosanto (Pasqual (as Danny Inosanto)), Chuck Norris (Fighter (archive footage)), Roy Chiao (Henry Lo), Russell Cawthorne (Surgeon), Casanova Wong (Lau Yea-chun), Han Jae Ji (Fighter (archive footage)), Yuan Chieh (Fighter (archive footage)), Sammo Hung Kam-Bo (Lo Chen (as Hung Kim Po))