Trailer
Images
 | 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) |
| Directing | |
| Ken Annakin | Director |
Writing | |
| Sy Salkowitz | Writer |
| Josef Shaftel | Story |
Sound | |
| Riz Ortolani | Original Music Composer |
Camera | |
| Piero Portalupi | Director of Photography |
Production | |
| Josef Shaftel | Producer |
| Sy Stewart | Associate Producer |
Editing | |
| Ralph Sheldon | Editor |
Art | |
| Arrigo Equini | Art Direction |
Costume & Make-Up | |
| Italia Scandariato | Costume Design |
Directing | |
| Víctor Merenda | Assistant Director |
Sound | |
| Kurt Doubrowsky | Sound Recordist |
| David Hawkins | Sound Editor |
| J.B. Smith | ADR Mixer |
Crew | |
| R.A. MacDonald | Special Effects |
Camera | |
| Dudley Lovell | Camera Operator |
| Ettore Duranti | Grip |
