A psychiatrist treats a woman who is convinced that she turns into a killer leopard because of a family curse.
| Actor | Role |
|---|---|
 Barbara ShelleyLeonora Johnson / Leonora Brandt | Leonora Johnson / Leonora Brandt |
 Robert AyresDr. Brian Marlowe | Dr. Brian Marlowe |
 Kay CallardDorothy Marlowe | Dorothy Marlowe |
| EErnest MiltonEdmund Brandt | Edmund Brandt |
| LLily KannAnna | Anna |
 Jack MayRichard Johnson | Richard Johnson |
| PPaddy WebsterCathy | Cathy |
| JJohn LeeAllan | Allan |
| EEdward HarveyDoorman | Doorman |
 Martin BoddeyCafferty | Cafferty |
| SSelma Vaz DiasNurse | Nurse |
| JJohn H. WatsonRoberts | Roberts |
| JJohn BakerMale Nurse (uncredited) | Male Nurse (uncredited) |
| SSelma Vaz DiasNurse (uncredited) | Nurse (uncredited) |
| JJim TysonBarman (uncredited) | Barman (uncredited) |
 Frank AtkinsonGuard (uncredited) | Guard (uncredited) |
| GGeoffrey TyrrellCaretaker (uncredited) | Caretaker (uncredited) |