When MGM first announced this in 1964, George Seaton was being lined up to direct. See more

Goofs

(at around 15 mins) After Sgt. Bowren dubs the "Dirty Dozen" with their titular nickname, he orders, "Dress right, dress." The men space off with left hand on belt and elbow extended to the side, which is "close interval dress". At the sergeant's order, they should have spaced off with the left arm extended at shoulder level. See more