Revealing mistake: As Casey is walking Nelson through the lobby of the hotel to the front door, behind them is a woman in a print dress who is walking away from them. When they reach the front door the woman can be seen walking away again. (01:21:30)
Continuity mistake: When Paul (the hotel manager) finds Timmons in the kitchen when Timmons had been shot and is bleeding, we see Timmons with his hands on his blood that is on his shirt. When Paul comforts him, he puts his bloody hands on Paul's white shirt, but when we see Paul outside the hotel, there is no stain from Timmon's blood.
Revealing mistake: Lighting screens are reflected on Casey's chess opponent's glasses.
Continuity mistake: William's sideburns manage to grow from zero to really hairy in the 15 hours that the movie takes place.
Continuity mistake: When Miguel is being preached by the Chef, his head swaps from looking down to rightwards depending on the angle.
Continuity mistake: Before Casey sits down to play chess, a blonde woman passes by him, but disappears in the following shot.
Continuity mistake: While Casey is talking about his wife, all the front and back shots show his left hand on his face. But in a front angle he places a finger on his neck, the following back angle still shows all the hand on the face, the previous position.
Continuity mistake: In the close ups, the guy next to the school bus showing how to vote places the brochure pointing to the right. In the wide shots it's pointing to the left.
Continuity mistake: The positions of the broken parts of the smashed TV differ between shots.
Continuity mistake: While in church, after Diane finishes talking to William she bends downwards, but a frame later, she is sitting straight.