Michael York
— Ponce de Leon
Sally Kellerman
— Lucy
Paul Rodríguez
— Julio
Ruth Westheimer
— Mysterious Stranger
Edward Duke
— Rudolpho
David McCharen
— Enrique
Dominick Brascia
— Alfredo
Warren Berlinger
— Herb
Lewis Arquette
— George
Fisher Stevens
— Indian Chief
Charles Fleischer
— Balboa
Tony Abatemarco
— DeSoto
Victor Contreras
— Cortez
Monica Parker
— Dona Inez
Denny Dillon
— Daughter
Bill Applebaum
— Son
Michael Mallory
— Conquistador
Shelley Duvall
— Self / Host