Sid James
Role: Sergeant Frank Wilkins
Eric Barker
Role: Inspector Mills
Kenneth Connor
Role: Constable Charlie Constable
Charles Hawtrey
Role: Special Constable Timothy Gorse
Kenneth Williams
Role: Constable Stanley Benson
Leslie Phillips
Role: Constable Tom Potter
Joan Sims
Role: Policewoman Gloria Passworthy
Hattie Jacques
Role: Sergeant Laura Moon
Shirley Eaton
Role: Sally Barry
Cyril Chamberlain
Role: Constable Thurston
Joan Hickson
Role: Mrs. May
Irene Handl
Role: Willie's Mother
Terence Longdon
Role: Herbert Hall
Jill Adams
Role: Policewoman Harrison
Freddie Mills
Role: Jewel Thief
Brian Oulton
Role: Store Manager
Victor Maddern
Role: Detective Sergeant Liddell
Joan Young
Role: Lady Mayoress
Esma Cannon
Role: Deaf Old Lady
Hilda Fenemore
Role: Woman Needing a Penny
Noel Dyson
Role: Fluff's Owner
Frank Forsyth
Role: Citizen
John Antrobus
Role: Citizen
Robin Ray
Role: Assistant Manager
Michael Balfour
Role: Matt
Diane Aubrey
Role: Honoria
Mary Law
Role: Shop Assistant
Lucy Griffiths
Role: Miss Horton
Peter Bennett
Role: Pickpocket
Dorinda Stevens
Role: Young Woman
William Baskiville
Role: Constable (uncredited)
Paul Beradi
Role: Angry Citizen (uncredited)
Tom Cubitt
Role: Jeweller (uncredited)
Arnold Diamond
Role: Chief Constable (voice) (uncredited)
Norman Fisher
Role: Angry Citizen (uncredited)
Tex Fuller
Role: Van Man (uncredited)
Colin Gordon
Role: (uncredited)
Jack Hetherington
Role: Tied-Up Man (uncredited)
Arthur Howell
Role: Constable (uncredited)
Robert Howell
Role: Little Willie (uncredited)
Mary Jones
Role: Radio Actress (voice) (uncredited)
Peter Kelly
Role: Jewel Thief (uncredited)
Ken Kennedy
Role: Wall-Eyed Man (uncredited)
Janetta Lake
Role: Girl with Dog (uncredited)
John Langley
Role: Boy in Cart (uncredited)
Don McMurray
Role: Policeman (uncredited)
Guy Mills
Role: Constable (uncredited)
Joe Phelps
Role: Constable (uncredited)
Alfred Pim
Role: Newsvendor (uncredited)
Fred Real
Role: Shopper (uncredited)
Anthony Sagar
Role: Angry Citizen (uncredited)
Bruce Seton
Role: (uncredited)
Jack Silk
Role: Constable (uncredited)
Charles Stanley
Role: Newspaper Man (uncredited)
Marianne Stone
Role: Miss Horton (voice) (uncredited)
Reg Thomason
Role: Radio Operator (uncredited)
Frederick Treves
Role: Radio Announcer (voice) (uncredited)
Robert Vossler
Role: Constable (uncredited)
Kenneth J. Warren
Role: Chauffeur (uncredited)
Margaret St. Barbe West
Role: Shop Assistant (uncredited)
Ian Wilson
Role: (uncredited)