Steve Reeves

Henry Morgan

Valérie Lagrange

Dona Inez

Chelo Alonso

Consuela

Ivo Garrani

Governor Don José Guzman

Lidia Alfonsi

Dona Maria

Giulio Bosetti

Sir Thomas Modyford

Angelo Zanolli

David

George Ardisson

Walter

Dino Malacrida

Duke

Armand Mestral

Francois L'Olonnais

Anita Todesco

Woman in Tortuga tavern

Mimmo Poli

Pirate (uncredited)

Armando Fracassi

Pirate (uncredited)