I Made a Fool Out of Hitler (1970)

After a botched sabotage mission during the German Occupation of Greece, the brave officer of the British Army, Major Laurens, finds himself captured by the Nazis. To save him from certain death, the local Resistance movement enlists the help of an unlikely hero: Grigoris Tsavos, a lily-livered showman who is the spitting image of a high-ranking SS officer. Now, Grigoris must summon up every last ounce of courage to take part in a crucial, life-or-death rescue mission. However, is the reluctant patriot up to the task?