Mathias Sandorf

Louis Jourdan

as Le comte Mathias Sandorf

Renaud Mary

as Sarcany

Francisco Rabal

as Frédéric de Rotenbourg

Serena Vergano

as Elisabeth Sandorf

Antoine Balpêtré

as Professor Ernst Bathory

Bernard Blier

as Toronthal

Valeria Fabrizi

as Helene

Antonio Casas

as Zathmar

Marcel Pérès

Jacques Seiler

Xan das Bolas

as Carpena

Paula Martel

Carlos Mendy

as Ferrato

Mario Morales

Daniel Cauchy

as Pescade

Carl Studer

as Matifou

Claudio Gora

as Procureur

Michel Etcheverry

Henri Crémieux

as Le président (uncredited)

Paul Mercey

as (uncredited)