- Charlton Heston
- Harry Steele
- Robert Young
- Stanley Moorehead
- Nicole Maurey
- Elena Antonescu
- Thomas Mitchell
- Ed Morgan
- Glenda Farrell
- Mrs. Winston
- Michael Pate
- Pachacutec
- Leon Askin
- Anton Marcu
- William Henry
- Phillip Lang
- Kurt Katch
- Man with Rifle
- Edward Colmans
- Col. Emilio Cardoza
- Yma Sumac
- Kori-Tica
- Booth Colman
- Juan Fernandez
- Miguel Contreras
- (uncredited)
- Delmar Costello
- (uncredited)
- Fritz Ford
- Tourist
- Martin Garralaga
- Dr. Cesar Perez
- Geraldine Hall
- Mrs. Richmond
- Rodolfo Hoyos Jr.
- (uncredited)
- John Marshall
- Charlie
- Alvy Moore
- Young Man at Bar
- Anthony Numkena
- Runner
- Rosa Rey
- Mother of Kori-Tica
- Grandon Rhodes
- Mr. Winston
- Carlos Rivero
- (uncredited)
- Marion Ross
- Miss Morris
- Dimas Sotello
- (uncredited)
- Harry Stanton
- (uncredited)
- Robert Tafur
- Dr. Carlos Mendes
- Moises Vivanco
- Musician, "Earthquake"
- Zacharias Yaconelli
- (uncredited)
