Audio/visual unsynchronized: During Arthur's engagement party a live band is playing. At one point, you can clearly hear a hi-hat while you see the drummer play cymbals.
Continuity: When Bitterman drops Linda off at her apartment complex, she looks out the back window of the car and asks that he wait until her neighbor is there before he opens the car door for her. When Linda does get out of the car, the woman is approaching the car from the front, not from the back.
Continuity: Position of Arthur's top hat changes in the bathtub scene after Hobson places it on the edge.
Continuity: When Arthur proposes to Susan, he grabs her hand twice after Susan asks, "Take my hand, Arthur."
Continuity: Arthur grabs his martini glass twice in the bath tub.
Continuity: During the proposal scene, the ring is sitting in its box on the table, then it suddenly appears in Arthur's hand without him taking it out of the box.
Continuity: Linda steals the tie from Bergman's by itself yet when Arthur helps her into the Rolls-Royce, he hands her a box that contains the tie, which she still has with her when Bitterman helps her out of the car.
Continuity: When Arthur exits his race car to talk to Hobson he takes a sip from a flask. In the next shot the flask is gone even though his arm never moved.
Continuity: The length of Arthur's hair changes back and forth throughout the final scenes.
Continuity: Though Arthur never hands the stolen tie back to Linda, she has it as she walks away from the scene.
Continuity: Linda speaks with her dad at home. He is in an undershirt and ties a necktie around his neck. Intercut takes show the tie (once tied) is longer in the back than the front. The next shot shows the back shorter than the front. Finally the tie returns to the loner-in-back appearance from the earlier shot.
Continuity: When Hobson comes to Linda's apartment, she comes out of her bedroom and closes the door behind her. Later in the scene, the door has mysteriously opened.
Continuity: When Burt Johnson takes the knife out of the cheese and starts to approach Arthur and Linda, she reaches her right arm under Arthur's right arm to clutch him. In the next close-up, her right arm is draped over Arthur's right shoulder as she clutches him.
Continuity: When Hobson is in the hospital, a two-tiered cart is rolled up the hall of the hospital. The only things on the bottom is a glass container of orange juice and a glass. When the cart enters Hobson's hospital room, a carafe of coffee has joined the orange juice and glass.