Lucio Fulci

as Dr. Lucio Fulci

David L. Thompson

as Professor Egon Schwarz

Jeoffrey Kennedy

as Officer Gabrielli

Malisa Longo

as Katya Schwarz

Paola Cozzo

as Nurse Lilly

Shillett Angel

as Filippo the Producer

Brett Halsey

as Human Monster

Robert Egon

as Himself / Second Monster