| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adriano De Micheli | Crew | Production | Production Secretary |
 Alfio Contini | Crew | Camera | Director of Photography |
 Dino Risi | Crew | Writing | Screenplay, Director, Story |
Enrico Fiorentini | Crew | Art | Set Decoration |
 Ettore Scola | Crew | Writing | Story, Screenplay |
Gustavo Sisi | Crew | Costume & Make-Up | Makeup Artist |
 Mario Cecchi Gori | Crew | Production | Producer |
Maurizio Lucidi | Crew | Editing | Editor |
 Pio Angeletti | Crew | Production | Production Manager |
 Riz Ortolani | Crew | Sound | Original Music Composer |
 Ruggero Maccari | Crew | Writing | Story, Screenplay |
 Ugo Pericoli | Crew | Art | Production Design, Costume Design |
Aurelio Pennacchia | Crew | Sound | Foley Artist |
Guglielmo Ambrosi | Crew | Directing | First Assistant Director |
Maurizio Scanzani | Crew | Camera | Camera Operator |
Umberto Santoni | Crew | Production | Unit Manager |
Franco Recine | Crew | Production | Production Secretary |
Renato Rizzuto | Crew | Directing | Script Supervisor |
 Annette Stroyberg | Cast | Actress | Turista tedesca |
 Catherine Spaak | Cast | Actress | Lilli Cortona |
 Claudio Gora | Cast | Actor | Danilo Borelli 'Bibi' |
 Edda Ferronao | Cast | Actress | La ragazza della valigia smarrita a Civitavecchia |
 Franca Polesello | Cast | Actress | Moglie del commendatore |
 Jean-Louis Trintignant | Cast | Actor | Roberto Mariani |
John Francis Lane | Cast | Alfredo - avvocato cugino di Roberto | |
 Linda Sini | Cast | Actress | Zia Lidia |
 Luciana Angiolillo | Cast | Actress | Gianna Cortona |
 Luigi Zerbinati | Cast | Actor | Il Commendatore |
 Mila Stanić | Cast | Actress | Clara, la ragazza alla stazione |
Nando Angelini | Cast | Actor | Amedeo |
 Vittorio Gassman | Cast | Actor | Bruno Cortona |
 Jacques Stany | Cast | Actor | Automobilista toscano che picchia Bruno |
 Bruna Simionato | Cast | Actress | Zia Enrica |
 Lilly Darelli | Cast | Actress | Bikini girl with leg cast |
Paola Gassman | Cast | Girl on the beach (uncredited) | |
Aldo Gianni | Cast | Young man on the rocks at the end (uncredited) | |
| Person | Type | Job | Role(s) |
