 | Catriona MacColl als Lucy Boyle |
 | Paolo Malco als Dr. Norman Boyle |
 | Ania Pieroni als Ann, the Babysitter |
 | Giovanni Frezza als Bob Boyle |
 | Silvia Collatina als Mae Freudstein |
 | Dagmar Lassander als Laura Gittleson |
 | Giovanni De Nava als Dr. Freudstein |
| Gianpaolo Saccarola als Daniel Douglas |
 | Carlo De Mejo als Mr. Wheatley |
| Kenneth A. Olsen als Harold |
 | Teresa Rossi Passante als Mary Freudstein |
| Elmer Johnsson als Cemetery Caretaker |
| Ranieri Ferrara als Victim |
 | Daniela Doria als First Female Victim |
 | Pino Colizzi als Peterson (voice) (uncredited) |
 | Lucio Fulci als Professor Muller (uncredited) |
| Dardano Sacchetti | Screenplay |
| Walter Rizzati | Original Music Composer |
| Sergio Salvati | Director of Photography |
| Giannetto De Rossi | Makeup Artist |
| Lucio Fulci | Director |
| Vincenzo Tomassi | Editor |
| Massimo Lentini | Costume Design |
| Giorgio Mariuzzo | Screenplay |
| Fabrizio De Angelis | Producer |
| Lucio Fulci | Screenplay |
| Massimo Lentini | Production Design |
| Elisa Briganti | Story |
| Maria Pia Crapanzano | Hairstylist |
| Giannetto De Rossi | Special Effects Makeup Artist |
| Antonio Maltempo | Assistant Makeup Artist |
| Maurizio Trani | Makeup Artist |
| Maurizio Trani | Special Effects Makeup Artist |
| Fabrizio De Martino | Assistant Unit Manager |
| Paolo Gargano | Unit Manager |
| Roberto Giandalia | Assistant Director |
| Mariangela Capuano | Set Dresser |
| Rodolfo Ruzza | Property Master |
| Ugo Celani | Sound Engineer |
| Gianni D'Amico | Sound Mixer |
| Eros Giustini | Boom Operator |
| Giannetto De Rossi | Special Effects |
| Nazzareno Cardinali | Stunt Coordinator |
| Antonio Benetti | Still Photographer |
| Franco Bruni | Camera Operator |
| Alfredo Fedeli | Electrician |
| Maurizio Lucchini | Assistant Camera |
| Giacomo Tomaselli | Key Grip |
| Cristo Verrillo | Grip |
| Claudia D'Obici | Assistant Costume Designer |
| Bertilla Silvestrin | Seamstress |
| Pietro Tomassi | Assistant Editor |
| Alexander Blonksteiner | Additional Music |
| Walter Rizzati | Conductor |
| Daniela Puccini | Continuity |
| Daniela Tonti | Continuity |
| Guglielmo Smeraldi | Production Secretary |
