After his wife, a concert pianist, is found murdered a wealthy man is suspected of her murder. But as more suspects begin to pile up this mystery might take its toll on more than one participant.
| Actor | Role |
|---|---|
| NNorma KastelBarbara Orst (as Norma Castell) | Barbara Orst (as Norma Castell) |
 Jack TaylorMichel Dreville | Michel Dreville |
 Lina RomayGreta Douglas | Greta Douglas |
 Alice ArnoYvonne | Yvonne |
| PPierre TaylouVishma | Vishma |
| MMonique Van LindenBarbara's Secretary | Barbara's Secretary |
 Roger GermanesPoliceman | Policeman |
| RRichard KennedyNot listed | Not listed |
 Alberto DalbésGordon Douglas | Gordon Douglas |
 Richard BigotiniCommissaire | Commissaire |
 Raymond HardyMathias | Mathias |
| CCarmen CarbonellGordon's Mother | Gordon's Mother |
 Dan van HusenInspecteur Siodmak | Inspecteur Siodmak |
 Antonio MayansRichard Scary | Richard Scary |
| SSusana TaberNot listed | Not listed |
 Verónica LlimeráNot listed | Not listed |
| PPierre QuérutNot listed | Not listed |
 Gilda ArancioNot listed | Not listed |