• 
  J. Lee Thompson

  regizor

• 
  David Lee Henry

  scenarist

• 
  Charles Bronson

  Holland / Bart Smith
• 
  Theresa Saldana

  Rhiana Hidalgo / Nancy
• 
  Joseph Maher

  Dr. Clement Molloch
• 
  José Ferrer

  Dr. Hector Lomelin
• 
  Joe Seneca

  Santiago
• 
  Ernesto Gomez Cruz

  Cafe Owner

• 
  Raymond St. Jacques

  Randolph, Molloch's Bodyguard
• 
  Carlos Romano

  Cripple
• 
  Jorge Zepeda

  Victim
• 
  Miguel Ángel Fuentes

  Latino
• 
  Jorge Luke

  Cillero, Molloch's Chauffeur
• 
  Roger Cudney

  Cannell, Hitman Hired by Briggs
• 
  Conrad Hool

  Fugitive

• 
  Angélica Aragón

  Maria
• 
  Antoinette Bower

  Claire, Molloch's Sister