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
Saverio Vallone
as Bob Rawling
Michela Miti
as Betty
Tony Valente
as Inspector Sanders
Michel Clinford
as
Deborah Ergas
as Susan
Alessandra Izzo
as
Gianfranco Gallo
as
Sacha Darwin
as Mrs. Sanders
Solvi Stübing
as Harriet Anderson
Louis Dek
as
Gianni Dei
as Harry Francis
Lara Orfei
as
