Pearly Gates
Peter Sellers
Inspector Fred 'Nosey' Parker
Lionel Jeffries
Superintendent J.S. Forest
Martin Boddey
Dowager
Irene Browne
Brassknuckles
Arthur Mullard
Siggy Schmoltz
Tutte Lemkow
Misery Martin
Dermot Kelly
Annette
Vanda Godsell
Alf
Barry Keegan
Woman at Meeting (uncredited)
Marianne Stone
Police Officer (uncredited)
Michael Caine
Educated Ernest (uncredited)
Dennis Price
Nervous O'Toole
Bernard Cribbins
Adulterous Man (uncredited)
Dick Emery
Maurice (uncredited)
John Junkin
Postman (uncredited)
Cardew Robinson
Van Driver (uncredited)
Mario Fabrizi
Sergeant at Police Station (uncredited)
John Harvey
Police Constable in Garage (uncredited)
Harold Siddons
Police Constable at Station (uncredited)
Jack Silk
Police Constable at Scotland Yard (uncredited)
Deryck Guyler
Airport Official (uncredited)
Gerald Sim
Valerie
Nanette Newman
Trainer King
Davy Kaye
Jack Coombes
Bill Kerr
Bluey May
Ed Devereaux
Reg Denton
Reg Lye
Assistant Commissioner
John Le Mesurier
Sid Cooper
Graham Stark
Writer
Alan Simpson
Director
Cliff Owen
Ray Galton
John Antrobus
Director of Photography
Ernest Steward
Editor
Tristam Cones
Screenplay
John Warren
Len Heath
Original Story
Ivor Jay
William Whistance Smith
Producer
Aubrey Baring
Associate Producer
Cecil F. Ford
E.M. Smedley-Aston
Executive Producer
Robert Velaise
Music
Richard Rodney Bennett
Still Photographer
Ray Hearne