Alighiero Noschese

Luigi Gorletti

Enrico Montesano

Valerio

Gastone Moschin

Metello Bottazzi

Francesca Romana Coluzzi

Reginella

Gianrico Tedeschi

Police Commissioner Salvatore Mazzia

Janet Ågren

Monica Gorletti

Isabella Biagini

Cecilia

Vittorio De Sica

Player in Venice casino

Angelo Infanti

Claude Parmentier

Dolores Palumbo

The Maid at van Laurent's

Piero Gerlini

Police Commissioner Molinari

Salvatore Campochiaro

The Servant at van Laurent's

Antonio La Raina

Police Officer Caputo

Cesare Di Vito

Police Officer

Irio Fantini

Journalist

Alessandro Perrella

Police Officer on the Train

Bianca Castagnetta

Madame van Laurent

Alberigo Donadeo

Curious Onlooker (uncredited)

Giuseppe Marrocco

Waiter questioned by the police (uncredited)

Tonino Micheluzzi

The sleeping Passenger (uncredited)

Gennarino Pappagalli

Man at Restaurant (uncredited)