Continuity mistake: A hospital nurse hands a cup of water to Billy Bright, so he can take some medication. In the next scene, the cup is back on the nurse's tray and Billy picks it up himself.
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: The morning after the sexual assault on the colonel's wife, the protagonist watches the jeep leave for the airport without him. During the scene, the shadows on the road before the hotel change between shot and reverse. (00:34:30)
Visible crew/equipment: When Neil and Brenda are in the row boat, the bulge of the mic transmitter is visible at Brenda's lower back. (00:43:45)
Continuity mistake: When he is blackmailed in the car at knife-point, in one shot, the steering wheel is a white Mercedes steering wheel with logo. In all the rest of the scenes it is a black American car steering wheel. (00:05:02)
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.
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.