Cast
Dana Andrews
Dr. John Holden
Peggy Cummins
Joanna Harrington
Niall MacGinnis
Dr. Julian Karswell
Maurice Denham
Professor Henry Harrington
Athene Seyler
Mrs. Karswell
Liam Redmond
Professor Mark O'Brien
Reginald Beckwith
Mr. Meek
Ewan Roberts
Lloyd Williamson
PE
Peter Elliott
Professor K.T. Kumar
Rosamund Greenwood
Mrs. Meek
Brian Wilde
Rand Hobart
Richard Leech
Inspector Mottrarn
Lloyd Lamble
Detective Simmons
PH
Peter Hobbes
Superintendent
Charles Lloyd Pack
Chemist
John Salew
Librarian
JB
Janet Barrow
Mrs. Hobart
Percy Herbert
Farmer
LT
Lynn Tracy
Air Hostess
John Harvey
Hobart's Brother
AB
Alan Beaton
HB
Hyma Beckley
Ballard Berkeley
EB
Ernest Blyth
Wallace Bosco
DB
Daniel Brown
JC
Jimmy Cains
GC
George Curtis
RD
Richard Duke
Shay Gorman
LH
Laurence Hepworth
WH
Walter Horsbrugh
AH
Arthur Howell
AJ
Anthony John
DL
Dan Lester
LL
Leonard Llewellyn
Michael Peake
PP
Paul Phillips
AR
Anthony Richmond
PSS
Peggy Scott Sanders
TS
Terry Sartain
LS
Leonard Sharp
BS
Bert Simms
RBT
Robert Brooks Turner
Crew
HEC
Hal E. Chester
Writing
Jacques Tourneur
Directing
Charles Bennett
Writing
M.R. James
Writing
RL
Robert Lennard
Production
BL
Betty Lee
Costume & Make-Up
CC
Charles Crafford
Sound
FB
Frank Bevis
Production
MG
Michael Gordon
Editing
PG
Peter Glazier
Art
WV
Wally Veevers
Crew
Ken Adam
Art
ES
Edward Scaife
Camera
GB
George Blackwell
Crew
HEC
Hal E. Chester
Production
CC
Charles Crafford
Sound
PG
Pamela Gayler
Directing
SO
S.D. Onions
Visual Effects
BK
Basil Keys
Directing
MM
Muir Mathieson
Sound
RLMD
R. L. M. Davidson
Production
CP
Clifton Parker
Sound
AB
Arthur Bradburn
Sound
