Vittorio De Sica

as Cesare Celli

Raquel Welch

as Juliana

Robert Wagner

as Harry Price

Godfrey Cambridge

as Benjamin 'Benny' Brownstead

Davy Kaye

as Davey Collins (as Davey Kaye)

Francesco Mulè

as Antonio Tozzi

Edward G. Robinson

as Professor Samuels

Victor Spinetti

as Captain Giglio

Yvonne Sanson

as Teresa

Mickey Knox

as Joe Ware

Femi Benussi

as Uncle Carlo's Bride

Paola Borboni

as Signora Rosa

Ermelinda De Felice

as Emma

Andrea Aureli

as Carabiniere

Aldo Bufi Landi

as Capitano Del Signore

Carlo Croccolo

as Franco

Roberto De Simone

as Uncle Carlo

Piero Gerlini

as Captain Capuano

Giulio Marchetti

as Lt. Naldi

Gianna Dauro

as Signora Clara

Carlo Rizzo

as Maitre d'Hotel

Nino Musco

as Chef

Calisto Calisti

as Inspector Bordoni

Luigi Bonos

as Old House Owner (uncredited)

Antonio Corevi

as Priest at Luigi's Funeral (uncredited)

Jean-Jacques Delbo

as Train Engineer (uncredited)

Valéry Inkijinoff

as Mafia Guy in Sauna (uncredited)

Romano Milani

as Wedding Guest (uncredited)

Nino Vingelli

as Restaurant Manager (uncredited)

Milena Vukotić

as Angelina Pedrone (uncredited)