Michael 'Gringo' O'Brien
Donald Woods
Maria Garcia
Gloria Warren
Spanish Dancer
Lusita Triana
Pablo, the traitor
Felipe Turich
Manta
Claire Du Brey
Governor's Secretary (as Drew Allan)
Gil Frye
1st Clerk, Governor's Office
Ray Dolciame
Francisco Garcia, Mission Blacksmith
Byron Foulger
Nita
Shirley O'Hara
Juan Mendoza
Anthony Warde
Governor Don Sebastian Fernando
Monte Blue
Gueyon, Garcia's Assistant
Paul Newlan
Father Xavier
David Leonard
Henchman Enrico (as Gordon Clarke)
Gordon B. Clarke
Henchman Junipero
Frank Cody
Director
Terry O. Morse
Screenplay
Duncan Renaldo
Producer
Story
Original Music Composer
Rudy De Saxe
Jack DeWitt
Editor
George McGuire
James S. Burkett
Director of Photography
Robert Pittack
Assistant Director
Will Sheldon
Art Direction
Frank Dexter