Brenda, a timid, withdrawn woman, meets Peter, a man she believes is finally the love of her life. However, little does Brenda know that Peter is a vicious serial killer.
| Actor | Role |
|---|---|
 Rita TushinghamBrenda Thompson | Brenda Thompson |
 Shane BriantPeter Clive | Peter Clive |
 Katya WyethCaroline | Caroline |
 Annie RossLiza | Liza |
 Tom BellJimmy Lindsay | Jimmy Lindsay |
 Claire KellyMargo Thompson | Margo Thompson |
 Harold BerensMr. Harris | Mr. Harris |
 John CliveNewsagent | Newsagent |
 Tommy GodfreyMr. Godfrey | Mr. Godfrey |
 Mavis VilliersIndian Princess | Indian Princess |
| LLola WillardCustomer | Customer |
 James BolamJoey | Joey |
 Paul BrookeUneasy Man (uncredited) | Uneasy Man (uncredited) |