Art professor Nino Rolfe attempts to break down his wife Teresa's conventional modesty. Noticing her affection for their daughter's fiancé, Nino instigates her sexual interest in him - setting off a chain of unexpected events and emotional complications...
Unfortunately the movie The Key is not yet available on HBO Max.
| Directing | Tinto Brass | Director |
| Writing | Tinto Brass | Writer |
| Sound | Ennio Morricone | Original Music Composer |
| Art | Paolo Biagetti | Art Direction |
| Costume & Make-Up | Antonio Maltempo | Assistant Makeup Artist |
| Production | Mario Di Biase | Production Manager |
| Production | Massimo Ferrero | Unit Manager |
| Production | Vittorio Fornasiero | Unit Manager |
| Production | Aldo U. Passalacqua | Production Manager |
| Directing | Luca Lachin | Second Assistant Director |
| Directing | Carlo Montanaro | Second Assistant Director |
| Directing | Pietro Santagada | Second Assistant Director |
| Directing | Domenico Saverni | Second Assistant Director |
| Directing | Ricky Tognazzi | Assistant Director |
| Art | Roberto Magagnini | Props |
| Sound | Gaetano Carito | Sound |
| Sound | Fernando Caso | Sound Effects |
| Sound | Marco Di Biase | Boom Operator |
| Sound | Edmondo Gintili | Foley Recordist |
| Sound | Alvaro Gramigna | Sound Effects |
| Sound | Alessandro Peticca | Sound Editor |
| Camera | Renato Cinti | Key Grip |
| Camera | Ettore Corso | Assistant Camera |
| Camera | Andrea Sabatello | Assistant Camera |
| Camera | Amato Gabotti | Grip |
| Camera | Renzo Gabotti | Grip |
| Camera | Gianfranco Salis | Still Photographer |
| Editing | Emanuele Cassin | Assistant Editor |
| Editing | Emanuela Lucidi | Assistant Editor |
| Production | Gene Luotto | Post Production Coordinator |
| Editing | Fiorenza Muller | Assistant Editor |
| Editing | Giovanna Ritter | Assistant Editor |
| Sound | Angelo Giovagnoli | Musician |
| Production | Fabrizio Ancillai | Production Assistant |
| Production | Mario Sampaolo | Administration |
| Production | Giovanni Bertolucci | Producer |
| Editing | Tinto Brass | Editor |
| Camera | Silvano Ippoliti | Director of Photography |
| Writing | Junichirō Tanizaki | Novel |
| Art | Paolo Biagetti | Production Design |
| Costume & Make-Up | Jost Jakob | Costume Design |
| Directing | Carla Cipriani | Continuity |
| Crew | Gabriella Borini | Choreographer |
| Production | Lilletta Bertolucci | Publicist |
| Sound | Ennio Morricone | Music Director |
| Costume & Make-Up | Marina Frassine | Assistant Costume Designer |
| Costume & Make-Up | Alessandra Querzola | Assistant Costume Designer |
| Costume & Make-Up | Angela Silighini | Seamstress |
| Camera | Enrico Sasso | Camera Operator |
| Camera | Fabrizio Sforza | Still Photographer |
| Lighting | Sergio Spila | Gaffer |
| Sound | Edmondo Gintili | Sound Effects Editor |
| Sound | Fausto Ancillai | Sound Mixer |
| Art | Nello Giorgetti | Assistant Art Director |
| Art | Egidio Spugnini | Assistant Art Director |
| Costume & Make-Up | Iole Cecchini | Hairstylist |
| Costume & Make-Up | Fabrizio Sforza | Makeup Artist |
