Terry-Thomas
Capt. Romney Carlton-Ricketts
George Cole
"Flash" Harry
Joyce Grenfell
Sgt. Ruby Gates
Alastair Sim
Miss Amelia Fritton
Sabrina
Virginia
Lionel Jeffries
Joe Mangan
Lloyd Lamble
Superintendent Samuel Kemp-Bird
Raymond Rollett
Chief Constable
Terry Scott
Police Sergeant
Ferdy Mayne
Italian Police Inspector
Thorley Walters
Major Whitehart
Michael Ripper
Eric - The Liftman
Cyril Chamberlain
Army Captain
Ronald Ibbs
Lieutenant
Judith Furse
Dame Maud Hackshaw
Kenneth Griffith
Charlie Bull
Richard Wattis
Manton Bassett
Peter Jones
Prestwick
Lisa Lee
Miss Brenner
Guido Lorraine
Prince Bruno
Alma Taylor
Prince Bruno's Mother
Peter Elliott
Equerry
Charles Lloyd Pack
Henry Roberts - Prison Governor
Lisa Gastoni
Myrna Mangan
Dilys Laye
Bridget Strong
Rosalind Knight
Annabel
Marigold Russell
Marjorie
Nicola Braithwaite
Daphne
Mandy Harper
Tilly
Eric Barker
Culpepper Brown
Jose Read
Cynthia Meadows
Pat Laurence
Mavis
Vikki Hammond
Jane Osborne
Janet Bradbury
Mercia
Moya Francis
Bissy
Lesley Scoble
Schoolgirl (uncredited)
Angela White
Schoolgirl (uncredited)
Carol White
Schoolgirl (uncredited)
Edwina Carroll
Esme Smythe
Guest (uncredited)