
It’s a frantic, mad‑cap pursuit as a motley crew of soldiers is unleashed across swinging, vibrant England on a covert initiative. Their bizarre task is to track down both men and women and seize a collection of esoteric, priceless objects, turning the whole country into a wild treasure‑hunt.
Does You Must Be Joking have end credit scenes?
No!
You Must Be Joking does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of You Must Be Joking, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Peter Bull
Ferocious Man in Library

Graham Stark
McGregor's Friend

James Robertson Justice
Librarian

Lionel Jeffries
Sergeant-Major McGregor

Denholm Elliott
Captain Tabasco

Arthur Lowe
Husband

Bernard Cribbins
Sergeant Clegg

James Villiers
Bill Simpson

Irene Handl
Elderly Woman

Tracy Reed
Poppy Pennington

Leslie Phillips
Young Husband

Michael Callan
Lieutenant Tim Morton

Miles Malleson
Salesman

Lee Montague
Staff Sergeant Mansfield

Jon Pertwee
Storekeeper (Hare Factory)

Norman Vaughan
Norman Stone

Wilfrid Hyde-White
General Lockwood

Marianne Stone
Fan Club Worker

Peter Gilmore
Private on Gardening Duty

Clive Dunn
Television studio Doorman

Terry-Thomas
Major Foskett

Gabriella Licudi
Annabelle Nash

Nikki Van der Zyl
Vision Mixer

Gwendolyn Watts
Young Wife

Richard Wattis
Parkins

Patricia Viterbo
Sylvie Tarnet

Barry Howard
Car Showroom Salesman
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Read the complete plot summary of You Must Be Joking, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
Major Foskett, a British Army psychologist, sets up an unusual test of wit and nerve for five service members to see who best combines courage, cunning, and teamwork in a high-stakes scavenger hunt. The invited players are: Sergeant Major McGregor, Lionel Jeffries; Captain Tabasco, Denholm Elliott; Sergeant Clegg, Bernard Cribbins; Staff Sergeant Mansfield, Lee Montague; and Lieutenant Morton, Michael Callan. The objective is simple in description, but fiendishly complex in execution: complete a series of tasks within 48 hours to collect six items that symbolize the quintessential British way of life, with a prize that promises rapid promotion and a grand world tour for two.
The first challenge is a classic test of wits in a maze, and it sets the tone for the entire expedition. Tabasco orders a helicopter to lift him and two others out of the confusion, but one player, Clegg, remains behind, swallowed by the twisting corridors of the labyrinth and the murky game at hand. What follows is a brisk succession of challenges that push each man to improvise under pressure, balancing caution with boldness as they race toward the finish line and the promised rewards.
The scavenger list itself reads like a quirky itinerary through postwar British identity: escape from the maze is the opening move; next comes securing a rare rose, then the mascot from a Rolls-Royce, followed by obtaining a lock of hair and an autograph from a famed French singer, and culminating in the coveted Lutine bell from Lloyd’s of London. Each item is a test of nerve, charm, and ingenuity, and the hunters find themselves navigating not just physical obstacles but a web of rivalries, alliances, and surprising twists of fate.
As the clock ticks down, the quartet’s efforts diverge in amusing and sometimes unexpected ways. McGregor arrives at the finish line by parachute, a dramatic flourish that underscores his fearless resolve; Tabasco makes a dramatic entrance in an ambulance, signaling his own showy approach to leadership; Clegg’s subterranean approach—digging his way in from below—becomes a memorable demonstration of stubborn persistence; Morton, who arrives last by car, ultimately outpaces his rivals to be declared the winner, a result that surprises everyone and leads him to resign rather than press the advantage.
Yet the victory is tempered by a heavier consequence. General Lockwood is arrested for misuse of the requisition system, a legalistic reminder that power and procedure can collide with personal ambition. At the same time, Major Foskett faces arrest for conspiracy to steal the Lutine Bell, underscoring the moral edge of the bigger narrative that blends satire with a wary look at authority, hierarchy, and the temptations that accompany prestige.
In the end, the story weaves together a brisk series of adventures, misdirections, and moments of humor that charm while it challenges. It showcases how disciplined minds, when tested under pressure, reveal both their strengths and their flaws, all set against a backdrop of sharp dialogue, brisk pacing, and a mischievous wink at the rituals and pomp of military life. The film remains a deft entertainment that balances satire with warmth, leaving the audience with a sense of both amusement and reflection on what constitutes true leadership and loyalty.

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