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)