When O'Hara meets privately with Quade in Quade's kitchen, O'Hara's cigar is almost gone, but in the closeup, the cigar is almost new.
Vickers questions Sgt. Plennert, who is shaving with a straight razor. In one shot the Plennert has made a short pass with the razor, in the others, the shaving cream has not been disturbed.
Wallace Ford mentions fighting Fuzzy-Wuzzies in Africa. This did not occur until the Mahdist War in 1881. Custer was defeated at the Little Big Horn in 1876.