After several coeds are murdered at a college, a professor who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.
You can now watch What Have You Done to Solange? online on the following streaming providers in the United States.
| Directing | Massimo Dallamano | Director |
| Writing | Bruno Di Geronimo | Story |
| Production | Giuliano Principato | Unit Manager |
| Sound | Peter Ruddis | Sound |
| Art | Luigi Urbani | Assistant Art Director |
| Crew | Neil Robinson | Dialogue Coach |
| Writing | Peter M. Thouet | Screenplay |
| Editing | Clarissa Ambach | Editor |
| Camera | Sesto Salino | Key Grip |
| Production | Leo Pescarolo | Producer |
| Production | Horst Wendlandt | Producer |
| Writing | Edgar Wallace | Novel |
| Camera | Luigi Ciccarese | Camera Operator |
| Writing | Massimo Dallamano | Story |
| Lighting | Enzo Zocchi | Gaffer |
| Crew | Luciano Vittori | Film Processor |
| Writing | Bruno Di Geronimo | Screenplay |
| Art | Gastone Carsetti | Art Direction |
| Sound | Ennio Morricone | Original Music Composer |
| Editing | Antonio Siciliano | Editor |
| Costume & Make-Up | Dante Trani | Makeup Artist |
| Costume & Make-Up | Elisa Gut | Costume Designer |
| Writing | Massimo Dallamano | Screenplay |
| Editing | Giuliano Corso | Assistant Editor |
| Sound | Bruno Nicolai | Music Director |
| Production | Fulvio Lucisano | Producer |
| Camera | Joe D'Amato | Director of Photography |
| Production | Enrico Melonari | Production Manager |
| Production | Wolfgang Fritsche | Production Manager |
| Sound | Francesco Vernier | Sound |
