You Must Be Joking

Michael Callan

Lieutenant Tim Morton

Lionel Jeffries

Sergeant-Major McGregor

Denholm Elliott

Captain Tabasco

Wilfrid Hyde-White

General Lockwood

Bernard Cribbins

Sergeant Clegg

Lee Montague

Staff Sergeant Mansfield

Terry-Thomas

Major Foskett

James Robertson Justice

Librarian

Leslie Phillips

Young Husband

Patricia Viterbo

Sylvie Tarnet

Gabriella Licudi

Annabelle Nash

Irene Handl

Elderly Woman

Richard Wattis

Parkins

Miles Malleson

Salesman

Tracy Reed

Poppy Pennington

Clive Dunn

Kelly (Studio doorman)

Graham Stark

McGregor's Friend

Arthur Lowe

Husband

Peter Bull

Ferocious Man in Library

Gwendolyn Watts

Young Wife