- Gérard Barray
- Captain Robert Surcouf
- Antonella Lualdi
- Margaret Carruthers / lady Blackwood
- Geneviève Casile
- Marie-Catherine Blaise
- Terence Morgan
- Lord Blackwood
- Armand Mestral
- Capitaine Hans Fell
- Giani Esposito
- Napoléon
- Frank Oliveras
- Nicolas Surcouf
- Fernando Sancho
- Le geôlier
- Gérard Tichy
- Kernan
- Alberto Cevenini
- Garneray
- Aldo Sambrell
- Le marin 'La Bombarde'
- José María Caffarel
- Blaise, le père de Marie-Catherine
- Luis Barboo
- (uncredited)
- Rossella Bergamonti
- Louise
- Tomás Blanco
- Le gouverneur Malartic
- Gonzalo de Esquiroz
- Captain Toward
- Víctor Israel
- (uncredited)
- Antonio Molino Rojo
- (uncredited)
- Mónica Randall
- Josephine de Beauharnais
- Jorge Rigaud
- L'amiral Decrès, ministre de la marine
- Ivano Staccioli
- Decrees
- Virgilio Teixeira
- Decrees
- Mariano Vidal Molina
- André Chamblais
