Continuity mistake: While at the pool hall, Mary indicates that the sign in the window describes Larry perfectly. A close-up shows it reads 'Out To Lunch', but the next wide shot shows it reads 'We're Closed'. (01:01:45)
Continuity mistake: The small plane's pilot identifies the aircraft as 232Z. But in the exterior shots, the aircraft's identification is N9750Y. (00:35:00)
Other mistake: In the original version of the film there's a mistake in the opening credits where Colin Blakely's name is misspelled as Colin Blankey.
Continuity mistake: The people inside the elevator disappear in the wide angle. (01:57:21 - 01:57:51)
Other mistake: When Hyman Roth's assassin runs at the airport, he is turning around with one (of two) bullet holes already in his jacket before the sound of any gunfire. (03:10:50)
Continuity mistake: When the guys use the key to steal the car, its back license plate number is 4N-4290, but when Chico pulls into the drive-in, the front plate number is SV-5875. Then when Chico reverses the car, the front license plate number is 4N-4290. (00:42:40)
Revealing mistake: When Butt falls behind the suitcases, a mattress to soften the fall is visible.
Continuity mistake: Before the mother is covered in glasses, she runs away, her hair covered in dust. A shot later it's clean and shiny. This is because the actress was replaced with a stunt with a wig. (00:58:50)
Continuity mistake: When Julie is running up the stairs to catch up with Celine, in the shot where the camera is positioned at the bottom of the staircase, there are two people ahead of her walking down the steps. The camera then changes to a closer angle in front of her, and the two people walking down the stairs have disappeared. There is also one completely different man who has appeared on the steps. (00:09:25)
Visible crew/equipment: After Lightfoot steals the Trans Am, when he first encounters Thunderbolt on the run, he swerves into the field, and in a shot from inside the car, a piece of filming equipment on the hood of the car is visible through the windshield. Then Lightfoot hits Dunlop with the car. (00:07:50)