During the scene where Roy Buchanan first arrives at his apartment unit and discovers the ruthless bounty hunter Boone Waxwell sitting in wait watching the television, that television is facing the door that Roy came through, but when Walker and Trivette bust through that same door after hearing gunshots, that television is up against the side wall.
When Walker is chasing the Buchanon brothers on horseback, a younger, bearded stuntman with a rounder face can clearly be seen riding the horse.
When Trivette and Walker are chasing Roy Buchanon through East Dallas, Trivette, the driver, is wearing a black suit. However, when the car is making sharp turns and the car is seen from afar, the stunt driver is clearly seen wearing a white shirt with no suit.