Continuity mistake: Before Beverly, Doc and Howard take a seat at the diner the waiter behind the counter next to a couple is suddenly at the far side of the counter.
Continuity mistake: When Beverly, Jenning and Howard arrive at the diner a waiter is serving and later spilling a jug of water. A shot later he is magically gone and he arrives and serves water again, though this time he doesn't spill it.
Continuity mistake: When Dr. Jenning is driving and says that the monster has taken hold of him he puts his left hand over his right hand, a shot later they swap positions.
Continuity mistake: Right before the bad guys place Howard on the counter his drink disappears from the counter and reappears 30 cm away to allow for the stunt.
Continuity mistake: Outside of the museum a bunch of kids reach out and touch Howard. The hands appear and disappear randomly between shots.
Continuity mistake: Outside of the museum Beverly and Howard argue next to a fountain. There's a shot of a man eating a sandwich in disbelief with a couple walking behind him. Shot cuts back to Howard for several seconds, and when it goes back to the sandwich man a couple continues their walk, they shouldn't be there.
Continuity mistake: After Howard and Beverly exit the museum, a couple on the left run away. And the following shot they are nowhere to be seen, at least they should get reflected on the glass.
Continuity mistake: After Phil shows the ascent of man drawing he walks behind Beverly but in the close-up he disappears. A shot later he is now standing on the opposite side of where he was.
Continuity mistake: When Beverly says goodbye to Howard the handle of her umbrella is either facing upwards or downwards depending on the shot.
Continuity mistake: During the fight against the punk before one of them says "You're breaking my fingers" Beverly's position behind changes between shots.
Continuity mistake: When Howard is reading the magazine the ashtray moves from being on the edge of the table to some inches away between shots.
Continuity mistake: During the credits Howard throws some letters and postcards on a chair. Their position changes between shots.
Continuity mistake: When the cops chase the microlight, the grey raft leaning against a stall changes positions between shots.
Continuity mistake: When Howard is about to fight in the bar he walks down the counter and passes by the same people twice.
Continuity mistake: In the diner, the glass of water next to Howard appears/disappears and changes positions between shots.
Continuity mistake: When Howard stares at the TV playing the news the couple to his left disappears between shots.
Continuity mistake: Howard arrives home and throws his coat on a chair. The way it lies changes between shots.
Continuity mistake: When Lt. Welker meets Howard his arm is bent. A shot later it's raised.
Continuity mistake: For a few moments during the flight scene near the end of the film Tim Robbins has no handcuffs on, but they are back on again seconds later.
