Cast
Paul Stevens
Doctor Allan Barnes
Claudette Nevins
Pam Albright
Anne Collings
Miss Goodrich
BW
Bill Walker
Lieutenant Martin
Martin Lavut
Michael Radin
LL
Leo Leyden
Doctor Soames
NE
Norman Ettlinger
Professor Quincey
WB
W.B. Brydon
Anderson (as Bill Bryden)
JM
Jim Moran
Jim Moran
EB
Eleanor Beecroft
Mrs. Kelly
RL
Ray Lawlor
Lab Technician
RL
Rudi Linschoten
Mime in Nightmare
SKA
Stephen Ker Appleby
Museum Guide (as Steven Appleby)
AS
Alfie Scopp
PE
Paul Elsom
HB
Harry Blackstone
Self (in introduction added to video version) (uncredited)
NI
Nancy Island
Girl Who Is Killed (uncredited)
PN
Paul Nevens
Demon of the Mask (uncredited)
Crew
HSA
Herbert S. Alpert
Camera
ST
Stephen Timar
Editing
Julian Roffman
Directing
DRB
David R. Ballou
Art
NT
Nat Taylor
Production
LA
Louis Applebaum
Sound
Julian Roffman
Production
FD
Franklin Delessert
Writing
FT
Frank Taubes
Writing
SH
Sandy Haver
Writing
SH
Sandy Haver
Production
HW
Hugo Wuethrich
Art
FT
Frank Taubes
Production
LA
Louis Applebaum
Sound
DV
Dick Vorisek
Sound
YT
Yvonne Taylor
Production
WSO
William S. Owens
Production
WWG
Willard W. Goodman
Sound
MS
Myron Schaeffer
Sound
DG
Don Gillies
Crew
JSL
Jean S. Lenauer
Production
