Distribution
Meadows White
George Rose
Slob
Nicholas Parsons
Police Constable Bates
Roy Purcell
Jack Hawkins
Supt Tom Halliday
Joss Ambler
Cashier at Shipping Office
William Mervyn
Manager of Festival Hall
John Stratton
Sergeant Ward
Maureen Delaney
Mrs. Stevens, the daily help
Peter Burton
Creasey
Maureen Davis
The Young Workman's Wife - Mrs. James
Martin Wyldeck
Officer in Criminal Records Department (uncredited)
Ralph Truman
Colonel Blenkinsop
Meredith Edwards
Mr. Thomas
John Welsh
House Agent at Shepperton
Fred Davis
Sydney Tafler
Stone
Arthur Rigby
Detective Inspector at Chester
Frederick Treves
Detective tailing Creasey (uncredited)
Jack McNaughton
Sam Kydd
Police Constable in Information Room
Barry Keegan
Detective Constable in Hospital Ward
Alec McCowen
House Surgeon
Jameson Clark
Detective Superintendent Ogilvie
Richard Davies
Detective (uncredited)
Robert Moor
Geoffrey Keen
Chief Superintendent Jim Malcolm
Stratford Johns
Constable (uncredited)
Vincent Ball
P.C. at Hospital (uncredited)
George Holdcroft
John Paul
Frazer Hines
Urchin (uncredited)
Pat Ryan
Harold Goodwin
Official at Somerset House
Dorothy Alison
Mary Halliday
Glyn Houston
Detective Sergeant in 'Q' car
Harry Locke
Secondhand Dealer
Richard Leech
Nightwatchman / Gilson
David Davies
Welsh Police Constable
David Lodge
Detective at Car Lot (uncredited)
Guy Standeven
Detective (uncredited)
Fred Griffiths
Ian Bannen
The Young Workman - Stanley James
Peter Welch
CID Man (uncredited)