Terry-Thomas
Lord Henry Mayley
Acting
Peter Sellers
"Wee" Sonny MacGregor
Acting
Peggy Mount
Flora Ransom
Acting
Shirley Eaton
Melissa Right
Acting
Dennis Price
Nigel Dennis
Acting
Georgina Cookson
Lady Lucy Mayley
Acting
Joan Sims
Ethel Ransom
Acting
Miles Malleson
Reverend Cedric "Daddy Bassy" Bastable
Acting
Kenneth Griffith
Porter
Acting
Bill Edwards
Bill Murphy
Acting
Wally Patch
Fred
Acting
Henry Hewitt
Gunsmith
Acting
John Stuart
Police Inspector
Acting
David Lodge
PC Johnson
Acting
Joan Hurley
Désirée Mensch aka D. Mandeville
Acting
Peter Noble
TV announcer
Production
Victor Rietti
Dr Harz
Acting
Ronald Adam
Chemist (uncredited)
Acting
George Benson
Photographer (uncredited)
Acting
Tom Gill
Police Officer (uncredited)
Acting
Muriel Greenslade
Dinner Guest (uncredited)
Acting
Andy Ho
Chinese Man in Pub (uncredited)
Acting
Barry Keegan
2nd Irishman (uncredited)
Acting
Kenneth Kove
Man Who Lets Out Police Car's Tyre (uncredited)
Acting
Wilfrid Lawson
Walter - Contestant in T.V. Show (uncredited)
Acting
Arnold Marlé
Scientist (uncredited)
Acting
Edie Martin
Lady in Autograph Crowd (uncredited)
Acting
Gibb McLaughlin
Old Man in T.V. Show Audience (uncredited)
Acting
Marjorie Rhodes
Lady on Phone (uncredited)
Acting
Michael Ripper
J.E. Freeman - Greengrocer (uncredited)
Acting
Raymond Rollett
Pub Landlord (uncredited)
Acting
Austin Trevor
Minister with Heart Attack (uncredited)
Acting
Jerold Wells
1st Irishman (uncredited)
Acting