When Beta fires his magnetic wave weapon, which is designed to freeze all metal into immovable blocks, cars are seen coming to a halt. The next time the cars are shown, though, the car doors and hoods have somehow been opened.
When Beta tells Connery about the patient's heart monitor at the start of the plastic surgery operation one line was not properly dubbed in the US version and starts in Italian, then switches to English. (the line ends with "If his stops so will yours.")
Dr Connery is referred to repeatedly as Scottish, however his character is voiced (or rather dubbed) with an American accent.