Continuity: Susie's hair during the cab journey to her apartment with Sydney.
Continuity: Susan's coat when she's saying goodbye to Steve in the coffee shop towards the end of the movie. In one shot it's around only one of her shoulders, in the previous and next shots it's around both.
Crew or equipment visible: Microphone shadow during coffee shop scene with Steve and Susan.
Continuity: When Sidney is trying to see the column in advance, the position of the secretary changes. This is when she moves the copy from one side of the desk to the other.
Continuity: In opening sequence, when Sydney buys a newspaper, then lays it out on luncheonette counter to read it, configuration of stories and graphics on page don't match newspaper seen in closeup.
Continuity: In first scene in Sydney's office, secretary picks up a stack of magazines and newspapers, that change position and height of stack from shot to shot.