Continuity mistake: When Luther Billis is parachuting out of the plane, he is seen with a pistol in his hands. Once he is in the rubber boat and starts paddling, however, the pistol has become a rifle.
Continuity mistake: When Gaston is not allowed to take Gigi out for tea, Madame Alvarez tells him to sit down. As he is seating himself, he unbuttons his jacket. A moment later, he stands up and unbuttons his jacket again.