Revealing mistake: The fingerprint in Tiffany's photograph is 100% identical to the sample of Peter Franks in her system. It is impossible for two fingerprints to be exactly identical - in terms of the part of the finger it shows and the amount of paint on the print.
Continuity mistake: When Tiffany Case takes Bond's drink to put ice in it and check his fingerprints, when she gives Bond the drink back it has no ice when he smells the chemical on the glass.
Continuity mistake: When Bond's fighting in the lift, Tiffany comes out of her flat - she has her arms by her side as she sees the battle going on. After a cut, she's suddenly tucked against the door frame with her arms tucked in against her chest.
Continuity mistake: When Mr Wint and Mr Kidd watch the helicopter blow up, it blows up and crashes quite a long distance from them. Then, after they have made the "If God meant man to fly" joke, the smoking wreckage of the helicopter is shown again - only it is suddenly much closer to them.
Visible crew/equipment: When Bond and Tiffany speed away from the Tectronics facility, three of the security guards are at their inoperative vehicle, and there's a reflection of film crew on the surface of the vehicle.
Continuity mistake: When the cops chase Bond in Las Vegas, they all drive by many cars. However, in a close-up inside the police car, one can see an empty road behind.
Revealing mistake: Before Bond is stopped by the cops in Las Vegas and when he is gunned and drives away, one can see it's not Sean Connery driving but his stuntman.
Continuity mistake: When the cops make a U-turn to chase Bond in Las Vegas, the number of bystanders on both curbs decreases noticeably between the close-up and wide shots.
Continuity mistake: When Bond raises the man in the mud's head, the mud is smooth. From an immediate new angle, it's rugged.
Character mistake: When Bond sprays water at the dead man in the mud, he is noticeably struggling to keep still. He even starts to flinch right before the shot is cut.
Revealing mistake: When the guy in the tub gets covered in mud, his swimming cap to protect his head protrudes around the ears. After Bond sprays him with water, the cap is gone.
Revealing mistake: You can see the flame resistant sleeves on the actor or stuntman playing Mr Kidd, just before Bond sets him on fire.
Continuity mistake: Before Q explains how the electromagnetic ring works with the slot machines there's a close-up shot of the coins falling. His jacket is nowhere to be seen despite him being right next to the machine.
Continuity mistake: When Tiffany is about to grab Frank's wallet his shirt is covered in foam. When she reaches out for it the foam is gone and his shirt is wet.
Revealing mistake: After a policeman touches Mrs. Whistler's corpse's face she winces.
Revealing mistake: When Bond pushes the Blofeld look alike into the mud pit his feet have a natural position, the tip resting on the stretcher. Couple shots later, when his body is submerged and just the feet are visible, they are skewed awkwardly to the side as if the ankles were broken, revealing he's been replaced by a dummy.
Continuity mistake: When the movie begins Bond chokes a girl with her bikini, light side of the fabric facing camera. A shot later it's the dark side facing.
Continuity mistake: When Bond is having his chase through Las Vegas with all the police there are several shots of the casino clocks in the background. At one point the time goes from 1:30 to almost 4 o'clock in just a few minutes.
Factual error: Diamonds, being pure carbon, would burn in the cremation of the body containing them. Cremation temperature is about 1,000 degrees Celsius, diamonds burn at about 850.
Continuity mistake: When Bond is speaking to Tiffany by the swimming pool, he puts one arm into his jacket, but when the camera is behind Bond in the next shot, the jacket is now completely on.
Chosen answer: Blofeld and Spectre has enough diamonds for the laser he is building to hold the Earth hostage. In typical Spectre fashion, since he is finished with the operation, he wants to leave no loose ends that could tie Spectre into the mix.
Zwn Annwn