Revealing mistake: When Ratigan is sneaking up on Basil inside Big Ben, there is a shot where both characters have their backs to the camera. In this shot, there is a piece of equipment directly in front of the turning gear they are standing on. This piece of metal can be seen to flicker for a few moments.
Revealing mistake: When Sardo is aiming at Jarrell running you can see Kee Nang hiding behind a post, looking to the side waiting for her turn to get into the shot. (01:13:55)
Revealing mistake: At the end of the film, when the main female character is done taking a shower, she tries to get out of the glass stall. Suddenly, the ghost turns on the shower to scalding hot temperatures. She is unable to get the door to open, so she punches through the glass and climbs out. As this is happening, if you look behind her, you can see that no water is coming out of the shower head, though you can still here the hissing of the water.
Revealing mistake: When Chekhov falls on the aircraft carrier a cloud of dust flies up as if he's landed on a mat or soft cargo. When we see him on the floor it's concrete.
Revealing mistake: When Sean Connery and the others are examining the corpse found in the water, the dead body's eyes blink. (01:01:05)
Revealing mistake: When Norman drives Dukes car into the pond, it's obvious no one is in it.