Credits
Cast
Paul Stevens
Doctor Allan Barnes
Claudette Nevins
Pam Albright
Anne Collings
Miss Goodrich
Bill Walker
Lieutenant Martin
Martin Lavut
Michael Radin
Leo Leyden
Doctor Soames
Norman Ettlinger
Professor Quincey
W.B. Brydon
Anderson (as Bill Bryden)
Jim Moran
Jim Moran
Eleanor Beecroft
Mrs. Kelly
Ray Lawlor
Lab Technician
Rudi Linschoten
Mime in Nightmare
Stephen Ker Appleby
Museum Guide (as Steven Appleby)
Alfie Scopp
Paul Elsom
Harry Blackstone
Self (in introduction added to video version) (uncredited)
Nancy Island
Girl Who Is Killed (uncredited)
Paul Nevens
Demon of the Mask (uncredited)
Art
David R. Ballou
Art Direction
Hugo Wuethrich
Assistant Art Director
Camera
Herbert S. Alpert
Director of Photography
Crew
Don Gillies
Choreographer
Editing
Stephen Timar
Editor
Production
Yvonne Taylor
Associate Producer
Nat Taylor
Producer
Julian Roffman
Producer, Director
Jean S. Lenauer
Production Consultant
William S. Owens
Production Manager
Sound
Myron Schaeffer
Music
Louis Applebaum
Original Music Composer, Conductor
Willard W. Goodman
Sound
Dick Vorisek
Sound Recordist
Writing
Franklin Delessert
Screenplay
Frank Taubes
Screenplay, Associate Producer
Sandy Haver
Screenplay, Associate Producer