A Touch of Larceny (1959)
A Touch of Larceny is a 1959 British comedy film directed by Guy Hamilton and starring James Mason, George Sanders, Vera Miles, Harry Andrews, Rachel Gurney, and John Le Mesurier. It is based on a diverting and mildly cynical novel, The Megstone Plot (1956), by Paul Winterton under the pseudonym Andrew Garve.
More at Wikipedia.