Overview
A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.
Cast
- Paul Naschy as Inspector Scaporella
- María Kosty as Ingrid
- Erika Blanc as Silvana Scaporella
- Ángel Aranda as Pietro Volpini
- Ricardo Merino as Edmundo
- Susana Mayo as Claudia Volpini
- Eduardo Calvo as Professor Sandro Campitelli
- Mariano Vidal Molina as Police Commissioner
- José Canalejas as Ruggero
- Ramón Centenero as Vittorio Darucchi