Visible crew/equipment: When Marion is packing in her room, the camera is panning back over the bed to show the newspaper with the cash wrapped up in it. As the camera pans back, one can see the camera's shadow on the bed.
Visible crew/equipment: During the initial phase of the final assault, a row of men with their backs to the camera is shown. One of these men (right of the center, with a bandaged head) is actually a dummy positioned at the spot where the wall is blasted a few seconds later. (02:29:35)
Visible crew/equipment: During the campfire scene a Morlock attacks Weena, and drags her off. If you look at the top of the frame, as the Morlock drags her away, the stunt man's head can be seen, as he forgot to wear the head part of the costume.
Visible crew/equipment: When the slaves roll the flaming ball down the hill, we see it strike several Roman soldiers. Look closely, they are actually stuntmen dressed in asbestos suits.
Visible crew/equipment: When the three Mexican farmers arrive in town you see the traces in the street from a car making a 3-point-turn in the front of the picture. You see the traces in later shots, too. (00:09:15)
Visible crew/equipment: Anita Ekberg's character and Marcello are at the top of the church tower leaning on balcony railing while looking over the city. You can easily see the "wire" attached to Anita's hat that forecasts the moment where her hat blows off her head. (00:33:15)
Visible crew/equipment: At the end of the film when the four trainee constables find the villains hideout in the derelict house, PC Potter falls from the landing to the hallway. You can see the mattress put there for him to land on. It was not there in the previous shot.
Visible crew/equipment: The string holding up the "Fire Monster" to make it appear like it's standing upright is seen in a couple of shots.
Visible crew/equipment: During the debriefing meeting near the end of the movie, a boom mic is visible hovering over the meeting table. (01:11:40)
Visible crew/equipment: When Seymour is with Leonora, after he tells her, "Master doesn't eat goat," the boom pole and mic can be seen at the bottom of the screen. (01:02:40)
Visible crew/equipment: When the army convoy is about to set off you can see the camera light and crew members reflected in the side of the security van.
Visible crew/equipment: Just before the doctor tells Jordana that Ari is at Yad El, he shakes the hands of a couple kids passing by him whilst walking up a small flight of steps. When he does so, the shadow of the camera can be seen on his coat. (01:59:00)
Visible crew/equipment: Randomly, a big moving shadow is cast on the underside of the flight of stairs between Daxter's apartment and the (unseen) second floor when he is unlocking the door of his flat after meeting his landlady that warned him about gas. It does not match Jack Lemmon's motions. (01:37:10)