| Daria Nicolodi | ... | Dora Baldini | |
| John Steiner | ... | Bruno Baldini | |
| David Colin Jr. | ... | Marco | |
| Ivan Rassimov | ... | Dr. Aldo Spidini | |
| rest of cast listed alphabetically: | |||
| Lamberto Bava | ... | Mover #1 (uncredited) | |
| Paul Costello | ... | Obnoxious Man at Party (uncredited) | |
| Nicola Salerno | ... | Carlo (uncredited) | |
Directed by | |||
| Mario Bava | |||
Writing credits(in alphabetical order) | ||
| Francesco Barbieri | screenplay | |
| Lamberto Bava | screenplay | |
| Paolo Brigenti | screenplay | |
| Dardano Sacchetti | screenplay | |
Produced by | |||
| Ugo Valenti | .... | associate producer | |
| Turi Vasile | .... | producer | |
Original Music by | |||
| V. Cappa | (as I Libra) | ||
| Alessandro Centofanti | (as I Libra) | ||
| Walter Martino | (as I Libra) | ||
Cinematography by | |||
| Alberto Spagnoli | (director of photography) | ||
| Mario Bava | (uncredited) | ||
Film Editing by | |||
| Roberto Sterbini | |||
Production Design by | |||
| Franco Vanorio | |||
Art Direction by | |||
| Franco Vanorio | (as Francesco Vanorio) | ||
Set Decoration by | |||
| Pietro Spadoni | |||
Costume Design by | |||
| Massimo Lentini | |||
Makeup Department | |||
| Marisa Tilly | .... | makeup artist (as Maria Luisa Tilli) | |
Production Management | |||
| Giuseppe Mangogna | .... | production manager | |
| Nando Nibbi | .... | unit manager | |
Second Unit Director or Assistant Director | |||
| Nicola Salerno | .... | assistant director | |
Art Department | |||
| Nicola Salerno | .... | assistant art director | |
| Nicola Salerno | .... | assistant production designer | |
Sound Department | |||
| Pietro Spadoni | .... | sound | |
Costume and Wardrobe Department | |||
| Massimo Lentini | .... | wardrobe | |
| Franca Lulli | .... | wardrobe | |
Editorial Department | |||
| Sandro Bruglio | .... | first assistant editor (as Sandro Broglio) | |
| Mario Recupito | .... | second assistant editor | |
Music Department | |||
| V. Cappa | .... | conductor | |
| Alessandro Centofanti | .... | conductor | |
| Walter Martino | .... | conductor | |
| Maurizio Guarini | .... | musician: keyboards (uncredited) | |
| Walter Martino | .... | musician: drums (uncredited) | |
| Carlo Pennisi | .... | musician: guitar (uncredited) | |
Other crew | |||
| Lamberto Bava | .... | assistant to director | |
| Rossana Rocchi | .... | script supervisor | |
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| Twitch of the Death Nerve | The Possession of Joel Delaney | Carrie | Mirrors | Mother of Tears |
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| Full cast and crew | Company credits | External reviews |
| News articles | IMDb Horror section | IMDb Italy section |
Mario Bava's final film proved that his one true strength was surreal, nightmarish imagery (when that kid runs up to Daria Nicolodi...), and though I've found most of his body of work to be overrated and dull, I was able to tolerate, even enjoy "Shock" (though it does become talky and drawn-out); the presence of Nicolodi ("Deep Red," "Tenebre") as a mentally unbalanced mother adjusting to her family's new (and haunted) house, offers up enough paranoia and sex appeal to make the final act as suspenseful as the workings of a bad dream. Shades of this film can also be seen in Lucio Fulci's "House by the Cemetery" (another good exercise in Italian horror).