

“Look through the mask...if you can't take it...take it off!”
A young archaeologist believes he is cursed by a mask that causes him to have weird nightmares and possibly to murder. Before committing suicide, he mails the mask to his psychiatrist, Dr. Barnes, who is soon plunged into the nightmare world of the mask.
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)