A journalist could marry the daughter of a tycoon, but prefers a relationship with a married woman. An attorney renounces her lover by greed. A soldier tries to approach a widow on a train. A German couple looking for adventure mistakingly aim for the wrong target, yet find love.
Unfortunately the movie Sex Can Be Difficult is not yet available on Disney Plus.
| Directing | Alberto Bonucci | Director |
| Directing | Luciano Lucignani | Director |
| Directing | Nino Manfredi | Director |
| Directing | Sergio Sollima | Director |
| Production | Achille Piazzi | Producer |
| Writing | Ercole Patti | Novel |
| Writing | Alberto Moravia | Novel |
| Writing | Italo Calvino | Novel |
| Writing | Mario Soldati | Novel |
| Writing | Giuseppe Orlandini | Screenplay |
| Writing | Sandro Continenza | Screenplay |
| Writing | Guglielmo Santangelo | Screenplay |
| Writing | Renato Mainardi | Screenplay |
| Writing | Ettore Scola | Screenplay |
| Camera | Carlo Carlini | Director of Photography |
| Camera | Erico Menczer | Director of Photography |
| Editing | Eraldo Da Roma | Editor |
| Editing | Marcella Benvenuti | Assistant Editor |
| Production | Renato Jaboni | Production Manager |
| Sound | Piero Umiliani | Original Music Composer |
| Directing | Jaime Bayarri | First Assistant Director |
| Directing | Paolo Bianchini | First Assistant Director |
| Directing | Adolfo Cagnacci | First Assistant Director |
| Directing | Mauro Severino | First Assistant Director |
| Directing | Dino De Palma | First Assistant Director |
| Directing | Elvira D'Amico | Script Supervisor |
| Directing | Silvana Sonego | Script Supervisor |
| Directing | Anna Maria Montanari | Script Supervisor |
| Sound | Oscar De Arcangelis | Sound |
| Sound | Guido Nardone | Sound |
| Camera | Enrico Santelli | Still Photographer |
| Costume & Make-Up | Lucia Mirisola | Costume Design |
| Art | Nedo Azzini | Production Design |
| Art | Giuseppe Cesare Monello | Assistant Set Decoration |
| Production | Paolo Machina | Administration |
| Production | Carlo Bartolini | Unit Manager |
| Production | Franco Lazazzara | Production Secretary |
| Costume & Make-Up | Raffaele Cristini | Makeup Artist |
| Costume & Make-Up | Franco Freda | Makeup Artist |
| Costume & Make-Up | Franco Palombi | Makeup Artist |
| Costume & Make-Up | Eligio Trani | Makeup Artist |
| Costume & Make-Up | Lina Cassini | Hairstylist |
| Costume & Make-Up | Marisa Fraticelli | Hairstylist |
| Costume & Make-Up | Nicla Palombi | Hairstylist |
| Camera | Luigi Filippo Carta | Camera Operator |
| Camera | Gastone Di Giovanni | Camera Operator |
| Camera | Silvio Fraschetti | Camera Operator |
| Camera | Roberto Brega | Camera Operator |
| Camera | Ruggero Radicchi | Camera Operator |
| Directing | Armando Crispino | Director |