Cast
Robert Beatty
Dr. Mark Benton
Elizabeth Sellars
Della Freeman
Peter Coke
Det. Insp. George Bellamy
HK
Hugh Kelly
Dr. Craig
Vida Hope
Jackie Leroy
JB
Janet Butler
Sister Rogers
Ferdy Mayne
Charles Constance
James Raglan
Supt. Grayson
Hugh Pryse
Mr. Rattray
George Benson
Prescott
Roger Delgado
Felix Galegos
Frank Atkinson
Railway Ticket Clerk (uncredited)
DC
Donald Conlon
Helios Restaurant Patron (uncredited)
AD
Arthur Dibbs
Helios Restaurant Patron (uncredited)
RG
Robert Gregory
Man at Northolt Airport (uncredited)
JH
Jean Hardwicke
Sister (uncredited)
BJ
Barry Johns
Hospital Orderly (uncredited)
AL
Anthony Lang
Johnny (uncredited)
Ronald Leigh-Hunt
Sgt. Lewis (uncredited)
RN
Richard Neller
Hospital Visitor (uncredited)
HS
Harold Sanderson
Hospital Visitor (uncredited)
MS
Marc Sheldon
Waiter (uncredited)
Toke Townley
Fred Barker (uncredited)
Crew
MCW
Martyn C. Webster
Directing
AR
A.R. Rawlinson
Writing
FD
Francis Durbridge
Writing
GG
Gerald Gibbs
Camera
JO
John O'Gorman
Costume & Make-Up
EGR
Ernest G. Roy
Production
WB
Wilfred Burns
Sound
EL
E.S. Laurie
Production
BR
Bernard Robinson
Art
MO
Marjorie Owens
Directing
JS
Joseph Sterling
Editing
BL
Betty Lee
Costume & Make-Up
HR
Harry Raynham
Sound
WHL
W. H. Lindop
Sound
WB
Wilfred Burns
Sound
PL
Peter Lamb
Camera
OS
Olive Swinney
Costume & Make-Up
NR
Noel Rowland
Camera
BB
Buddy Booth
Directing
PK
Pat Kelly
Directing
