Luciano Persichetti is hypersensitive and convinced that he has paranormal powers. Susanna, a parapsychology student with whom he is in love, tries to help him interpret the paranormal warning messages he is receiving. When Luciano turns out to be haunted by a mysterious killer who calls himself "The Guardian Angel", Susanna discovers that Luciano's paranormal powers are not real at all.
| Directing | Bruno Corbucci | Director |
| Production | Giovanni Di Clemente | Producer |
| Directing | Roberto Tatti | First Assistant Director |
| Camera | Giuseppe Di Biase | Camera Operator |
| Writing | Aldo Florio | Story |
| Writing | Ernesto Gastaldi | Story |
| Writing | Sandro Continenza | Screenplay |
| Writing | Raimondo Vianello | Screenplay |
| Writing | Pippo Franco | Screenplay |
| Writing | Bruno Corbucci | Screenplay |
| Art | Claudio Cinini | Production Design |
| Costume & Make-Up | Silvio Laurenzi | Costume Design |
| Sound | Franco Micalizzi | Original Music Composer |
| Camera | Giovanni Ciarlo | Director of Photography |
| Editing | Daniele Alabiso | Editor |
| Production | Pietro Innocenzi | Line Producer |
| Directing | Vanda Tuzzi | Script Supervisor |
| Editing | Brigida Mastrolillo | Assistant Editor |
| Editing | Adelchi Marinangeli | Assistant Editor |
| Camera | Fabrizio Borelli | Assistant Camera |
| Production | Fabrizio Silvestro | Unit Manager |
| Production | Francesco Anniballi | Production Secretary |
| Production | Costantino Di Clemente | Administration |
| Costume & Make-Up | Antonio Saragò | Assistant Costume Designer |
| Costume & Make-Up | Franco Schioppa | Makeup Artist |
| Costume & Make-Up | Luciano Vito | Hairstylist |
| Sound | Roberto Alberghini | Sound |
| Sound | Umberto Innocenzi | Boom Operator |
| Costume & Make-Up | Clary Mirolo | Seamstress |
| Lighting | Tullio Marini | Gaffer |
| Camera | Alberto Anzellotti | Key Grip |
| Sound | Danilo Moroni | Sound Mixer |
| Sound | Luciano Anzellotti | Foley Artist |
| Sound | Massimo Anzellotti | Foley Artist |
