| Actor | Silvano Tranquilli (as Dr. Kurt Lowe), Spencer Williams (2), Al Christianson, Evar Simpson, Nat Harley, Neil Robinson (as Hospital Assistant ( Uncredited )), Howard Nelson Rubien (as Laboratory Specialist ( Uncredited )) |
| Actress | Maria Teresa Vianello (as Margaretha Hichcock), Harriet Medin (as Martha, The Maid) |
| Art Director | Joseph Goodman |
| Assistant | John M. Farquhar (as Assistant Director) |
| Creator | Inoa Starly (as Costume Design), Bud Steiner (as Make-up) |
| Director | Riccardo Freda |
| Director Of Photography | Raffaele Masciocchi |
| Film Editor | Ornella Micheli |
| Music | Roman Vlad |
| Producer | Ermanno Donati |
| Production Company | Panda Film |
| Production Designer | Franco Fumagalli |
| Screenplay | Ernesto Gastaldi |
| Sound | Jackson McGregor |
| Starring | Barbara Steele (as Cynthia Hichcock), Robert Flemyng (as Prof. Bernard Hichcock) |
| Subject | Ernesto Gastaldi |
| Links | https://www.davinotti.com |
