When James Robertson Justice's character shouts at the Lageroffizier, it translates as "You can kiss my arse, you filthy Nazi!" Possibly, James Robertson Justice, who spoke fluent German, ad-libbed this, certain that the rest of the crew probably wouldn't understand it, most of the audience wouldn't and the censors undoubtedly wouldn't (or get the jokes).
Jock's quote "We're all doomed..." predates by several years the same words used as the catch-phrase of John Laurie as Private Frazer, another constitutionally pessimistic Scotsman, in Dad's Army (1968), another 1960s comedy about World War 2.
Final film of Jean Cadell .
Upon his arrival at the POW camp, Cooper is greeted by Bonzo with "Welcome to Butlin's". Butlin's Holiday Camps were a set of seaside holiday resorts in the United Kingdom. Two had been built before the Second World War and a third was under construction.
Opening credits: All characters and events in this film are fictitious. Any similarity to actual events or persons, living or dead, is purely coincidental.