Some people think it's a bit too studio-bound
Some people think it's a shame that there are no women in it (as major characters)
Did you know that it's based quite accurately on a true story?
Did you spot David McCallum? What about Christopher Lee (more obvious)?
Powell & Pressburger weren't all that happy with it. It was adequate but not up to the very high standard they'd set with the films they made in the 1940s