Continuity mistake: At the movie party, a person pushed the waiter, squishing all the blood-colored tarts on the photos. The waiter is pressing the tray in a different position at the cut. (00:07:30)
Character mistake: Tony and Stella are leaving the warehouse to get away from the villains. She calls him Tony - how did she know his name, as she only just met him a few minutes earlier, and he didn't tell her his name?
Continuity mistake: When Carl lets his dog out of the bag, in the close-up there's a shadow on Rod Steiger's boot, and a shadow of something or someone standing between him and the camera: both are gone in the following shot, when the dog runs across the lawn (and 'knocks aside' the camera). (00:08:20)
Revealing mistake: Captain Beckman is in the tower shooting at a small German plane that is attacking the castle. He is told to aim for the engine but when he does and shoots it down its not the engine that smokes, its both the wheels that are smoking from some very obvious smoke tubes attached to the fixed landing gear.
Continuity mistake: Professor Quigley shows his students a grocery list, and then demonstrates how a computer can be used to make a phone call to the grocer's and place the order by playing a recorded message. However, the grocery items named on the recording do not match the items on the list.
Continuity mistake: When the cabbie gets out of his cab, he closes the door, in later shots, you can see the door is open and he's standing between the open door and cab. Some shots show the door closed again.
Continuity mistake: At the porcelain store, after Tina drops the figure the position of the head of the man behind changes back and forth between close and wide shots.
Revealing mistake: When the lift body first separates from the orbiter you can see the support wires for the orbiter hanging below (scene must have been filmed upside down).