"While a group of young actors rehearse a new musical about a mass murderer, a notorious psychopath escapes from a nearby insane asylum."
Barbara Cupisti
as Alicia
David Brandon
as Peter
Robert Gligorov
as Danny
Mary Sellers
as Laurel
Giovanni Lombardo Radice
as Brett
James Sampson
as Willy
Jo Ann Smith
as Sybil
Domenico Fiore
as Police Chief
Mickey Knox
as Old Cop
Michele Soavi
as Young Cop (uncredited)
Clain Parker
as Irving Wallace
Loredana Parrella
as Corinne
Martin Philips
as Mark
Ulrike Schwerk
as Betty
Piero Vida
as Ferrari
Richard Barkeley
as Dr. Porter
Sheila Goldberg
as Nurse
Dany Gordon
as Dancer
Claude Jurman
Mark Parkinson
Helen Porter
Dominique Portier
Rackel Roskoff
Frank Senica
Simone Sardon
Albert Schultz
Sandi Schultz
George Eastman
as Irving Wallace (mask scenes only)
Alfonso Giganti
as Journalist (uncredited)
Director
Joe D'Amato
Producer
Screenplay
Rosanna Landi
Editor
Dialogue
Renato Tafuri
Director of Photography
Donatella Donati
Enrico Grassi
Assistant Editor
Stefano Mainetti
Original Music Composer
Antonio Tacchia
Production Manager
Claudio Lattanzi
Assistant Director
Guido Anelli
Maria Grazia Mazzolini
Makeup Artist
Giuliana D'Angeli
Rubina Michettoni
Assistant Art Director
Luigi Piergiovanni
Pietro Tenoglio
Sergio Ukmar
Stunts
Hubrecht Nijhuis
Sound Engineer
Massimo Anzellotti
Foley Artist
Mirella Pedetti
Seamstress
Valentina Di Palma
Costume Design
Davide Castrati
Sound Recordist
Steve Lucescu
Stunt Double
Kou Ami
Wardrobe Master
Simon Boswell
Daniele Massaccesi
Assistant Camera