When Sam is taking a shower for the first time in Clydie's house, he has a little bit of soap on him. As the sheriff draws down on him and he turns around, he has a lot more soap on him than a split second before.
When the prisoners try to steal the car right after they escape from the prison bus, they start a fight. One of the prisoners falls through the door, after receiving a punch. However, in the next shot, when he falls on the ground, the door is closed.
In the beginning of the movie, the painted lines down the center of the road change from a yellow-striped two-lane country road for two-way traffic to the broken dashed white lines of a two-lane same-direction road, such as a center-divided four-lane interstate-type highway.
Billy: [Sam listens to a tape recording of his deceased friend Billy]
Hey Sam, this is me Billy. I wish I could be there to split all that money with you, but I guess if you're listening to this then it's all yours now, right?