•
Donald Woods as Michael "Gringo" O'Brien •
Gloria Warren as Maria Garcia •
Byron Foulger as Francisco Garcia, Mission Blacksmith •
Shirley O'Hara as Nita •
Anthony Warde as Juan Mendoza, Overseer •
Monte Blue as Governor Don Sebastian Fernando •
Paul Newlan as Gueyon, Garcia's Assistant • David Leonard as Father Xavier • Gordon B. Clarke as Henchman Enrico • Frank Cody as Henchman Junipero • Lusita Triana as Spanish Dancer • Felipe Turich as Pablo, the traitor •
Claire Du Brey as Manta • Gil Frye as Governor's Secretary • Ray Dolciame as 1st Clerk, Governor's Office • John Parker as 2nd Clerk, Governor's Office == Soundtrack ==