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 people inside the elevator disappear in the wide angle. (01:57:21 - 01:57:51)
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: During the quake at the Seismological Institute, one of the men's shirts changes from beige to dark brown between shots.
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: Whilst Celine is sitting on the bench, she is putting on some lipstick. When she finishes, she removes her arm from the back of the bench she is leaning on. When the shot cuts, she removes her arm from the bench a second time. (00:06:43)
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.
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)