 | Giacomo Rossi Stuart als Dr. Paul Eswai |
 | Erika Blanc als Monica Schuftan |
 | Fabienne Dali als Ruth |
 | Piero Lulli als Insp. Kruger |
 | Luciano Catenacci als Karl |
 | Giovanna Galletti als Baroness Graps |
 | Micaela Esdra als Nadienne |
 | Franca Dominici als Martha |
 | Giuseppe Addobbati als Innkeeper |
 | Mirella Pamphili als Irena Hollander |
 | Valerio Valeri als Melissa Graps |
 | Quinto Marziali als Inn Patron (uncredited) |
| Luciano Catenacci | Producer |
| Mario Bava | Screenplay |
| Antonio Rinaldi | Director of Photography |
| Mario Bava | Director |
| Nando Pisani | Producer |
| Roberto Natale | Screenplay |
| Romano Migliorini | Screenplay |
| Mario Bava | Director of Photography |
| Romano Pampaloni | Sound Recordist |
| Salvatore Caruso | Assistant Camera |
| Romana Fortini | Editor |
| Roberto Natale | Story |
| John Davis Hart | Dialogue |
| Tina Grani | Costume Design |
| Romano Migliorini | Story |
| Marisa Laganga | Hairstylist |
| Armando Tarzia | Sound Recordist |
| Roman Vlad | Music |
| Armando Trovajoli | Music |
| Franco Mannino | Music |
| Luciano Catenacci | Production Manager |
| Nando Pisani | Production Supervisor |
| Angelo Francesco Lavagnino | Music |
| Francesco De Masi | Music |
| Alessandro Dell'Orco | Set Decoration |
| Saverio Diamante | Camera Operator |
| Lamberto Bava | Assistant Director |
| Giulio Tagliacozzo | Sound |
| Maurizio Giustini | Makeup Artist |
| Carlo Rustichelli | Music |
| Rosalba Scavia | Script Supervisor |
| Mario Olivieri | Unit Manager |
