Continuity mistake: In the flashback scene where Dustin Hoffman is in the hotel bathroom on the floor, he puts a coffee mug on the toilet, then the view switches and when it comes back the mug is gone, never to be seen again.
Continuity mistake: When the Japanese ship is about to be torpedoed, there are no numbers or letters on its side. In the next shot, when the ship explodes, a large white "265" is visible on the port side of the ship.
Continuity mistake: At the end of the film when all the women are dressed up after making clothes out of tablecloths, you can see the Italian woman riding in the front of the wagon. The shot changes and she's riding on the side looking at all the men and smiling. The shot changes again and she's back to the front.
Continuity mistake: When Charlie Allnut grabs a bottle of gin from the box, all the bottles in it are wrapped with paper for transport. But when Rose Sayer takes the bottles out of the box to empty them into the river, the paper is gone (from the movements of her hand/wrist, you can tell that she doesn't unwrap the paper from the bottles).
Continuity mistake: Alice Tripp is wearing different shoes when she starts walking home from the movie with George Eastman than she is when they are close to where she lives.
Continuity mistake: When the quake starts, Joyce Hendron runs to the arms of David Randall for protection. Ten seconds later, she again runs again to his arms. (00:41:55)
Continuity mistake: When the giant is fighting the bull, in the long shots the bulls horns are white, but in the closeups, they're black.
Continuity mistake: Klaatu introduces himself to the Professor for the first time by relaying some details of his stay at the hospital to verify who he is. Klaatu tells the Professor he was staying in room 309, but the early scenes at the hospital show him in room 306. (00:41:48)
Continuity mistake: When Hill disturbs Michael Corland at the table, he holds a piece of paper. The paper swaps hands between shots. (00:07:05)
Continuity mistake: The scavenger discussing Scrooge's bed curtains with the housekeeper lays the curtains down in his lap, then the next shot he is holding them up again.
Continuity mistake: During combat a pilot is shown to be wounded in his right leg. As he is coming in to land, two further shots of him in the cockpit now show him to be wounded in his left leg. Some blood stain patterns on his gear, also the position of his helmet chin strap, also change position from left to right.
Continuity mistake: Near the end of the film, Karl Malden is embracing Vivien Leigh. In one shot she has her left forearm against his chest, with her hand in the vicinity of his shoulder. In the next shot this arm is instantly around his neck.
Continuity mistake: When the Sutherland engages the four French ships, her masts are shot to doll rags, with the upper masts and fighting tops plunging to the deck. However, the lower shrouds and ratlines, which are attached to the tops, remain intact.
Continuity mistake: Lt. Richard Tufts arrived at Capt. Quincy Wyatt's camp. A child walks up to him and starts checking his cavalry sword out. The position of the kid's hands keep changing between shots, and when Monk tells him he's the son of the captain, Tufts' hand is suddenly on the handle of the saber. (00:07:10)