Bonar Colleano
Dan MacDonald
Susan Shaw
Pat
Renée Asherson
Sally
Earl Cameron
Johnny Lambert
Moira Lister
Maisie
Max Adrian
Charlie Vernon - acrobat / George
Joan Dowling
Pamela, Maisie's sister
James Robertson Justice
Engine Room Officer Trotter
Leslie Phillips
Harry
Alfie Bass
Alf
John Longden
DI Williams
Michael Golden
Customs Officer Andrews
Christopher Hewett
Mike
John Adams
Plainclothes Policeman in Squad Car (uncredited)
John Arnatt
Squad Car Officer (uncredited)
Mae Bacon
Ethel the Barmaid (uncredited)
Ian Bannen
Garage attendant (uncredited)
George Benson
George (uncredited)
Arthur Bentley
Pamela's Boyfriend (uncredited)
Beckett Bould
The Murdered Watchman (uncredited)
John Boxer
Detective in Pub (uncredited)
Michael Corcoran
Sam (uncredited)
Arthur Cortez
Jock (uncredited)
Dan Cressey
Customs Officer (uncredited)
David Davies
Officer on the Dunbar (uncredited)
Frank Forsyth
Police Constable Witnessing Robbery (uncredited)
Rowena Gregory
Mary (uncredited)
Fred Griffiths
Sailor on Barge (uncredited)
Pat Hagan
Squad Car Officer (uncredited)
Ellis Irving
Superintendent (uncredited)
Sam Kydd
2nd Engineer (uncredited)
Howard Lang
Detective Detaining Suspect (uncredited)
James Liggat
Bit Part (uncredited)
Victor Maddern
First Tram Conductor (uncredited)
Jack May
Sailor on the Dunbar (uncredited)
George Merritt
Captain of Dunbar (uncredited)
Arthur Mullard
Seaman on the Dunbar (uncredited)
Laurence Naismith
Commissionaire (uncredited)
Paul Rich
Singer in Pub (uncredited)
Jack Sharp
Dock Worker (uncredited)
Campbell Singer
Station Sgt. (uncredited)
George Spence
Pub Patron (uncredited)
Ivan Staff
Edward - Speaker at Hyde Park Corner (uncredited)
Eric Thompson
Garage Pump Attendant (uncredited)
Frederick Treves
Detective at Bank (uncredited)
Mavis Villiers
Drinking Club Blonde (uncredited)
Michael Ward
Pianist (uncredited)
John Warwick
Inspector Jim Moss (uncredited)
Russell Waters
Sgt. - River Police (uncredited)
Henry Webb
Speaking Extra (uncredited)
Meadows White
Alf - Theatre Performer (uncredited)
Jack Whittingham
Screenplay
Basil Dearden
Director
John Eldridge
Screenplay
Jim Morahan
Art Direction
Barbara Barnard
Hairdresser
Michael Relph
Associate Producer
Harry Frampton
Makeup Artist
John Addison
Original Music Composer
Ernest Taylor
Makeup Artist
Michael Balcon
Producer
Anthony Mendleson
Costume Design
Chic Waterson
Camera Operator
Peter Tanner
Editor
Gordon Dines
Director of Photography
Jean Graham
Script Supervisor
Sydney Pearson
Special Effects
Lionel Banes
Additional Director of Photography
Arthur Bradburn
Sound Recordist