Kerwin Mathews

as Clint de la Roche, the Viscount

Edmond O'Brien

as Ricco Barone

Sylvia Sorrente

as Lili Dumont

Jean Yanne

as Billete

Fernando Rey

as Marco Demoygne

Franco Fabrizi

as Ramon

Maria Latour

as Tania

Alain Saury

as Vincento

Armand Mestral

as Claude Peroux

Luis Dávila

as Steve Heller

Álvaro de Luna

as Jean

Pierre Massimi

as Louis

Christian Kerville

as Paul

Claude Le Lorrain

Olga Bergamonti

Pepe Martín

as Manuel

Yvette Lebon

as Claudia

Folco Lulli

as Rico Barone

Diana Martín

as (uncredited)

Gustavo Re

as (uncredited)

Emilio Rodríguez

as Bank Director (uncredited)