Continuity mistake: In the new version with Steve Martin and Goldie Hawn, after they get into the cab that some robbers were using as a get-away car, they beg to be let out at a corner and as they basically jump out of the car nobody is left behind to shut the door, yet it shuts like someone slams it shut.
Continuity mistake: Henry's necktie differs between neatly tied and crumpled between shots when he is on the elevator.
Continuity mistake: After getting robbed, Henry Clark says to Nancy that he had his credit card hidden in his shoe, and he then takes it out. Nancy tells him to put it away, and he then puts it in his jacket pocket. When they reach the hotel soon after, though, he takes it out of his shoe again.
