Cast
Jack Hawkins
Supt Tom Halliday
John Stratton
Sergeant Ward
Dorothy Alison
Mary Halliday
MB
Michael Brooke
Tony Halliday
Sam Kydd
Police Constable in Information Room
Glyn Houston
Detective Sergeant in 'Q' car
Richard Leech
Nightwatchman / Gilson
NB
Newton Blick
Deputy Commander
Geoffrey Keen
Chief Superintendent Jim Malcolm
Sydney Tafler
Stone
Peter Burton
Creasey
George Rose
Slob
Arthur Rigby
Detective Inspector at Chester
Ralph Truman
Colonel Blenkinsop
Ian Bannen
The Young Workman - Stanley James
MD
Maureen Davis
The Young Workman's Wife - Mrs. James
John Warwick
Detective Inspector at Shipping Office
Joss Ambler
Cashier at Shipping Office
BK
Barry Keegan
Detective Constable in Hospital Ward
Alec McCowen
House Surgeon
Harry Locke
Secondhand Dealer
Nicholas Parsons
Police Constable Bates
WA
Warwick Ashton
Newspaper Circulation Manager
Ursula Howells
Mrs. Elliot / Mrs. Gilson
DD
David Davies
Welsh Police Constable
JM
Julie Milton
Welsh Newsagent's Daughter
Meredith Edwards
Mr. Thomas
Harold Goodwin
Official at Somerset House
John Welsh
House Agent at Shepperton
GW
Gillian Webb
Housewife at Shepperton
Maureen Delaney
Mrs. Stevens, the daily help
Jameson Clark
Detective Superintendent Ogilvie
William Mervyn
Manager of Festival Hall
Vincent Ball
P.C. at Hospital (uncredited)
Richard Davies
Detective (uncredited)
Frazer Hines
Urchin (uncredited)
Stratford Johns
Constable (uncredited)
David Lodge
Detective at Car Lot (uncredited)
Guy Standeven
Detective (uncredited)
FT
Frederick Treves
Detective tailing Creasey (uncredited)
PW
Peter Welch
CID Man (uncredited)
Martin Wyldeck
Officer in Criminal Records Department (uncredited)
DC
Dennis Carnell
EC
Edward Cast
MC
Michael Collins
FD
Fred Davis
JD
Jack Dearlove
RG
Robert Gregory
FG
Fred Griffiths
PH
Patrick Halpin
AH
Aidan Harrington
GH
George Holdcroft
LH
Lindsay Hooper
AH
Arthur Howell
CM
Colin McKenzie
Jack McNaughton
RM
Robert Moor
FN
Fred Nicholas
JP
John Paul
RP
Roy Purcell
CR
Charles Rayford
AR
Anthony Richmond
PR
Pat Ryan
PS
Philip Stewart
MW
Meadows White
JW
John Wilder
SW
Sonnie Wills
Crew
Charles Frend
Directing
GS
Gerard Schurmann
Sound
DM
Daphne Martin
Costume & Make-Up
GD
Gordon Dines
Camera
HF
Harry Frampton
Costume & Make-Up
AM
Anthony Mendleson
Costume & Make-Up
EC
Edward Carrick
Art
TNM
Thomas N. Morahan
Production
RG
Roy Gough
Camera
Janet Green
Writing
Michael Balcon
Production
RB
Robert Barr
Writing
GS
Gordon Stone
Editing
