After Lisa is brought into her rescuer's vehicle she sarcastically remarks, "I'm impressed," but her lips don't say the words and her voice is clearly dubbed.
When Pete rescues Ritchie, he is grazed in the arm by a bullet, but Duncan later concludes that the gunmen were shooting blanks. This discrepancy is never explained.
Pete, explaining to Richie why he didn't go to the hospital when he was burned, says, "that would have went over well." He should have said, "That would have gone over well."
When Richie is admiring the sports car, the dealer tells him it is 400 thousand dollars. The currency in France at the time was the Franc.