Bonar Colleano
Dan MacDonald
Earl Cameron
Johnny Lambert
Max Adrian
Charlie Vernon - acrobat / George
Joan Dowling
Pamela, Maisie's sister
James Robertson Justice
Engine Room Officer Trotter
Michael Golden
Customs Officer Andrews
John Longden
Det. Insp. Williams
Alfie Bass
Alf, a henchman
John Adams
Plainclothes Policeman in Squad Car
John Arnatt
Squad Car Officer
Mae Bacon
Ethel the Barmaid
Ian Bannen
Garage attendant
Arthur Bentley
Pamela's Boyfriend
Beckett Bould
The Murdered Watchman
John Boxer
Detective in Pub
Dan Cressey
Customs Officer
David Davies
Officer on the Dunbar
Frank Forsyth
Police Constable Witnessing Robbery
Fred Griffiths
Sailor on Barge
Pat Hagan
Squad Car Officer
Ellis Irving
Superintendent
Howard Lang
Detective Detaining Suspect
Victor Maddern
First Tram Conductor
Jack May
Sailor on the Dunbar
George Merritt
Captain of Dunbar
Arthur Mullard
Seaman on the Dunbar
Laurence Naismith
Commissionaire
Campbell Singer
Station Sgt.
Ivan Staff
Edward - Speaker at Hyde Park Corner
Eric Thompson
Garage Pump Attendant
Frederick Treves
Detective at bank
Mavis Villiers
Drinking Club Blonde
John Warwick
Inspector Jim Moss
Russell Waters
Sgt. - River Police
Meadows White
Alf - Theatre Performer
US release: 27th November 1951
Sweden release: 13th August 1951
France release: 15th August 1951
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