Goofs

While Wyke is clearing the colours in the snooker game, he jumps from blue directly to black, even though the pink is on the table (in a previous shot), and in potting order comes between blue and black. Then, when the black is potted, the pink is nowhere to be seen.

When Milo throws Andrew's manuscript into the air, the Edgar Allan Poe award statuette is on the mantel; the trophy then disappears in the next shot of Andrew, only to re-emerge a few moments later.

During the snooker game, after Andrew pots the black for the first time, it is clearly seen to be on its spot before Milo takes it from the pocket and re-spots it.

When Inspector Doppler is interviewing Andrew on Sunday morning, Andrew's paper is folded and put over the arm of his chair twice.

When Wyke is dictating his novel at the beginning of the movie, the microphone he uses is alternately in his hands/on the stone bench between shots.

When Wyke "shoots" Tindle in the head at contact range with what is supposed to be a blank cartridge, Tindle simply faints from fright. In fact, the hot gases, explosive particles, wadding and minuscule barrel debris from a blank-cartridge shot to the head at point-blank range would certainly have given Tindle quite a serious wound, possibly even a fatal one.

When Milo and Andrew have blown the safe and are organizing the fake robbery, the shadows of crew members are visible behind the translucent windows.

After Inspector Doppler rings the door bell the first time, and Andrew checks the door, the cameraman's shadow is visible on the wall before he passes the window.

(at around 1h 29 mins) Camera shadow on Milo's hidden car.

It turns out that Joyce, who is called on the phone by Andrew, is in on Milo's plan. Milo even says so later. So Andrew should have known he could not get away with pretending to mistake Milo for a burglar a few minutes after this. It is strange for Milo to bring up an unknown policeman (Tarrant) instead of reminding Andrew of Joyce when he pulls out the gun.