• 
  Jim O'Connolly

  regizor

• 
  William Bast

  scenarist
• 
  Julian More

  scenarist

• 
  James Franciscus

  Tuck Kirby
• 
  Richard Carlson

  Connors
• 
  Gila Golan

  T.J. Breckenridge
• 
  Laurence Naismith

  Prof. Horace Bromley
• 
  Curtis Arden

  Lope

• 
  Mario De Barros

  Bean (as Mario de Barros in opening credits)
• 
  Dennis Kilbane

  Rowdy
• 
  Freda Jackson

  Tia Zorina
• 
  Gustavo Rojo

  Carlos