The police, led by Inspector Ibanez, are baffled by the murders of several attractive female dancers who all work on a musical TV show that features a horror-themed tableaux. The killings are the work of a masked psychopath with a taste for human blood and there are many suspects…
| Actor | Role |
|---|---|
 Aldo BarberoInspector Héctor Ibáñez | Inspector Héctor Ibáñez |
 Gloria PratSonia | Sonia |
 Osvaldo PachecoRené | René |
 Rolo PuenteRolo Borel | Rolo Borel |
 Norberto AroldiQuasimodo | Quasimodo |
 Susana BeltránSusana | Susana |
| MMary AlbanoNot listed | Not listed |
| NNorberto NelsonNot listed | Not listed |
 Catalina SperoniChorist 1 | Chorist 1 |
 Aldo BigattiPotenza | Potenza |
| AAmarilis CarriéNot listed | Not listed |
| MMyriam Van WessenMaid | Maid |
| RRosario BlancoNot listed | Not listed |
 Héctor BiuchetNot listed | Not listed |
| VVíctor de VeronaNot listed | Not listed |
 Emilio VieyraJulio | Julio |
| JJaimito CohenNot listed | Not listed |
| Héctor BiuchetPolicía | Policía |