Continuity mistake: After Chloe tells Boyce about the Nazis taking her parents, they are both startled by the arrival of a Nazi patrol. Chloe's hands keep changing position between cuts during this.
Continuity mistake: At the start of the film, Boyce is asked for some gum. In the close-up, he is fiddling in his pockets with one hand. In the wide shot, he uses two hands.
Continuity mistake: Just before the Paratroopers are about to make the jump on D-Day, they hook up their static lines, including Boyce. When Boyce is pushed out of the aircraft by Ford, his static line is stuffed to the back of his parachute.