Continuity mistake: During the scene after his office is ransacked, the level of whiskey in Bill Murray's glass increases between shots.
Continuity mistake: After the blue car hits the white car, the back bumper, on the left side is sticking up. In the next shot of the white car from the back, the bumper looks like nothing happened. (01:01:30)
Continuity mistake: The concierge is trying to come up with a written answer to Mr. Ozu's Anna Karenina. She crumples the first sheet and there's a cut when she tosses it away; the pad changed position and all the other discarded messages are scattered differently between shots. (00:31:30)