Lawrence Tierney
— Robert Warren
Marissa O'Brien
— Maria Marek
Rudolph Anders
— Gregory Marek
George Coulouris
— Victor Sloma
Veloso Pires
— Damiao, the mute (as Velosa Pires)
Helga Liné
— Dancer
Lopes da Silva
— Huerta
Leonor Maia
— Nina
João Amaro
— Jose
Licinio Sena
— Procopio
Mira Lobo
— Overseer
Álvaro Benamor
— (uncredited)