Audio problem: In the scene with Henry Fonda, as he leaves the ward room on one of the ships approaching the Normandy coast, you can hear the pilot in the background repeating an order for a course of 310 degrees, this would be heading north-west and not south towards Normandy. (01:33:15)
Audio problem: The voice of the German soldier, who corners the French Resistance woman at the railroad track near Caen, sounds completely different when he attempts to stop the train.
Audio problem: During the assault on Point-du-Hoc, a BAR gunner tries to take on a bunker from the ladder he stands on, and nearly falls back as he fires his gun. The sound of his gun firing doesn't match the muzzle smoke and the movement of the gun, which fires on full auto - they rather sound like he was shooting three shots in rapid succesion from a semi-automatic rifle.
Audio problem: During the scene of the padre looking for his communion case in the river, the soldier helping him in the search says "Stone the crows". However the DVD subtitles come as "stuff the grouse"
Audio problem: During the firefighting scene in Sainte-Mère-Église, when the French townspeople and the German soldiers notice the American paratroopers landing, a German fires his rifle but no gunshot is heard.