When a young female student is savagely killed in a park during a thunderstorm, the culprit seems obvious: TV sports personality Alessandro Marchi, seen fleeing the scene of the crime by numerous eyewitnesses. The evidence against him is damning... but is it all too convenient? And when the killer strikes again while Marchi is in custody, it quickly becomes apparent that there's more to the case than meets the eye...
Unfortunately the movie The Bloodstained Butterfly is not yet available on HBO Max.
| Directing | Duccio Tessari | Director |
| Writing | Gianfranco Clerici | Writer |
| Writing | Duccio Tessari | Writer |
| Writing | Edgar Wallace | Writer |
| Sound | Gianni Ferrio | Music |
| Camera | Carlo Carlini | Director of Photography |
| Costume & Make-Up | Paola Comencini | Costume Design |
| Camera | Sergio Martinelli | Camera Operator |
| Camera | Sandro Borni | Still Photographer |
| Directing | Vittoria Vigorelli | Script Supervisor |
