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
as Bob Rawling
as Betty
as Inspector Sanders
as Susan
as Mrs. Sanders
as Harriet Anderson
as Harry Francis
as Mirta Francis
as Chief of Police (as Giorgio Ardisson)
as Julie Garrett (as Jeannette Len)
as The Narrator
