Tyrone Power as Pedro De Vargas

Jean Peters as Catana Perez

Cesar Romero as Hernando Cortez

Lee J. Cobb as Juan Garcia

John Sutton as Diego De Silva

Antonio Moreno as Don Francisco De Vargas

Thomas Gomez as Father Bartolome Romero

Alan Mowbray as Prof. Botello

Barbara Lawrence as Luisa De Carvajal

George Zucco as Marquis De Carvajal

Roy Roberts as Capt. Alvarado

Marc Lawrence as Corio

Mimi Aguglia as Doña Hernandez (uncredited)

Virginia Brissac as Doña Maria De Vargas (uncredited)

Robert Adler as Reyes (uncredited)

Dolly Arriaga as Mercedes De Vargas (uncredited)

John Burton as DeLora (uncredited)

Guillermo Calles as Aztec (uncredited)

Harry Carter as Capt. Sandoval (uncredited)

David Cota as Singer (uncredited)

Gilberto González as Aztec Ambassador (uncredited)

Reed Hadley as Juan Escudero (uncredited)

Estela Inda as Doña Marina (uncredited)

Robert Karnes as Manuel Perez (uncredited)

John Laurenz as Diego Cermeno (uncredited)

Fred Libby as Hernan Soler (uncredited)

Chris-Pin Martin as Sancho Lopez (uncredited)

Edward Mundy as Crier (uncredited)

Julian Rivero as Marquis' Servant (uncredited)

Robert Shaw as Spanish Army Officer (uncredited)

Jay Silverheels as Coatl (uncredited)

Ramón Sánchez as Aztec (uncredited)

Bud Wolfe as Sailor (uncredited)