There are jump cuts in the rear-projection shots of a car sequence.
Despite the differing headlines on the Chicago News Press, Los Angeles Argus and the New York Express shown at the opening of the film, all three newspapers carry the exact same news stories on the front page ('Police Arrest One Hundred Ninety Eight,' 'Mayor Maps Building Plan,' 'Sidewalks Jammed' and the 'Boss Sanity Trial').
When Art sits down next to Joan at the soda shop, the shadow of the camera is briefly visible on his back.
In the opening scenes with the lady on the scooter the shadow of a boom mike can be seen on the street.