cast
- Charles Bronson
- Giff Hoyt
- Jason Robards, Jr.
- Gunther Beckdorff
- Dominique Sanda
- Marie Claire Allesandri
- Fernando Rey
- Teredo
- Simon MacCorkindale
- Lewis Clarkson
- Camilla Sparv
- Hira, Hera
- Denny Miller
- Horst
- Gilbert Roland
- Dr. Ramirez
- James Booth
- John Baker
- Martin Lasalle
- Aparicio
- José Chavez
- Bustamante
- Jorge Russek
- Minister
- Manuel Martin
- Inquest Clerk
- Clifton James
- Lorrimer
- Carlos Bravo
- Sanchez
- Carlos Romano
- Miguel
- Aldo Sambrell
- Policeman
- Ana De Sade
- Rosa
- José Carlos Ruiz
- Hernandez
crew
- J. Lee Thompson
- Director
- Lance Hool
- Producer
- Paul A. Joseph
- Producer
- Milton Gelman
- Screenwriter
- Morton S. Fine
- Screenwriter
- Alex Phillips, Jr.
- Cinematographer
- Jerry Goldsmith
- Composer (Music Score)
- Michael Goldsmith
- Composer (Music Score)
- Michael F. Anderson
- Editor
