A mysterious murderer has already killed seven people using the deadly venom of a snake from Martinique which causes immediate death with the victim's face turning into a horrible mask. A young and ingenious police lieutenant is called on the case

• Cooperativa Mmezzogiorno Nuovo D'Italia
• Saverio Vallone
• Michela Miti
• Tony Valente
• Michel Clinford
• Deborah Ergas
• Alessandra Izzo
• Gianfranco Gallo
• Sacha Darwin