Continuity mistake: When Bond and Kissy jump into the ocean to avoid the poison gas in the cave, you can see Bond's skin through his shirt. When they come ashore on Blofeld's volcano island, Bond takes off his shirt to reveal a grey ninja outfit underneath, complete with huge rubber suction cups for his hands and knees. Where did he hide all that?
Continuity mistake: When Andress is taken hostage outside the casino, watch the background to see the bouncer walk inside the Royale. Yet, when Sellers runs outside, the bouncer is outside again. (01:41:00)
Continuity mistake: When Bonnie and Clyde are in the hotel room trying to have sex, Clyde stands up and Bonnie lies on her side and there is a gun right by her face. Throughout the rest of the scene there is no gun on the bed at all.
Continuity mistake: When Charles Bronson steps out on the balcony of the nazi villa a second time (after having to hide), he drops his rope (to get on the roof), and when we see him from another angle, he drops it again.
Continuity mistake: Aguilar is restless during the party, and he picks a tarot card from the table, which turns out to be Death arcane. In close-up the card is held by a single hand, but Frank Wolff is holding the card between both hands both before and after that shot. (00:42:20)