A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.
Unfortunately the movie One on Top of the Other is not yet available on HBO Max.
| Directing | Lucio Fulci | Director |
| Writing | Lucio Fulci | Story |
| Writing | Roberto Gianviti | Story |
| Writing | Lucio Fulci | Screenplay |
| Writing | José Luis Martínez Mollá | Screenplay |
| Writing | Roberto Gianviti | Screenplay |
| Production | Edmondo Amati | Producer |
| Sound | Riz Ortolani | Original Music Composer |
| Camera | Alejandro Ulloa | Director of Photography |
| Editing | Ornella Micheli | Editor |
| Art | Nedo Azzini | Production Design |
| Art | Pier Luigi Basile | Set Decoration |
| Costume & Make-Up | Lucia Mirisola | Costume Design |
| Costume & Make-Up | Giuseppe Banchelli | Makeup Artist |
| Costume & Make-Up | Iole Cecchini | Hairstylist |
| Production | Luis Méndez | Production Manager |
| Sound | Mario Ligobbi | Sound |
| Art | Román Calatayud | Production Design |
| Art | Alessandro De Santis | Assistant Production Design |
| Camera | Antonio Benetti | Still Photographer |
| Camera | Giovanni Bergamini | Camera Operator |
| Camera | Giovanni Bonivento | Assistant Camera |
| Editing | Concetta Pacini | Assistant Editor |
| Sound | Alessandro Alessandroni | Musician |
| Sound | Nino Culasso | Musician |
| Sound | Gino Marinacci | Musician |
| Crew | Raffaele Mottola | Dialogue Coach |
| Production | Paolo Vandini | Production Secretary |
| Directing | Massimo Castellani | First Assistant Director |
| Directing | Albino Cocco | First Assistant Director |
| Production | Massimo Manasse | Unit Manager |
| Production | Francisco J. Tudela | Unit Manager |
| Directing | Vittoria Vigorelli | Script Supervisor |
| Production | Gray Frederickson | Production Assistant |
| Production | Renato Jaboni | Line Producer |
