After the death of her mother under strange circumstances, a teenage girl quickly begins to suspect that her recently widowed stepfather may be involved.
| Actor | Role |
|---|---|
 Jenny TamburiNancy Thompson | Nancy Thompson |
 Silvano TranquilliMarco | Marco |
 Rosalba NeriGianna | Gianna |
 Hiram KellerDorothy's Lover | Dorothy's Lover |
 Dana GhiaMagda | Magda |
| ZZora GheorgievaDorothy Emerson | Dorothy Emerson |
 Luigi Antonio GuerraServant | Servant |
 Fabio GarribaNot listed | Not listed |
| CCarolyn De FonsecaGianna (voice) (uncredited) | Gianna (voice) (uncredited) |
 Barbara BouchetParty guest (uncredited) | Party guest (uncredited) |