Cast & crew
You Must Be Joking (1965)
Directed by Michael Winner Written by Alan Hackney, Michael Winner
Cast
| Leslie Phillips | young Bell |
| Tracy Reed | Pennington |
| Denholm Elliott | Tabasco |
| Terry-Thomas | Major Iceborg |
| James Robertson Justice | Librarian |
| Wilfrid Hyde-White | Lockwood |
| Marianne Stone | Stallone Fan |
| Richard Wattis | Parkins |
| Irene Handl | The Woman |
| Lee Montague | Mansfield |
| Jon Pertwee | Storekeeper |
| Nikki Van der Zyl | Vision |
| James Villiers | Spider Simpson |
| Barry Howard | Car Dealer |
| Clive Dunn | Doorman |
| Lionel Jeffries | McGregor |
| Gwendolyn Watts | young Bell |
| Norman Vaughan | Stone |
| Peter Gilmore | Detention Duty |
| Michael Callan | Morton |
| Bernard Cribbins | Clegg |
| Graham Stark | Ilona's Friend |
| Gabriella Licudi | Annabelle |
| Arthur Lowe | Patrice (Julie's Husband) |
| Miles Malleson | Tie Salesman |
| Patricia Viterbo | Sylvie |
| Peter Bull | Ferocious Professional |
Crew
| Geoffrey Unsworth | Director of Photography |
| Laurie Johnson | Original Music Composer |
| Alan Hackney | Screenplay |
| Michael Winner | Director |
| Alan Hackney | Story |
| Michael Winner | Story |