Continuity mistake: When Simon Carver and David are speaking in Carver's office, Carver's hands instantly change positions form being spread out on his desk to clasped as the camera shots switch.
Continuity mistake: David and Kathy exit to the outside of the building, closing the inside door and the outer door. When Sheriff Carver exits to the outside, the inner door is not closed, but open as he steps out.
Continuity mistake: David Vincent parks his car in front of his hotel and goes up to his room. Later, David's girlfriend, Susan, parks her car in the same space where David's car was parked - he never left his room to move it.
Continuity mistake: As Susan and David kiss, her left hand instantly moves from behind his neck to just below his left shoulder.
Continuity mistake: The dead air traffic controller's body changes position from being splayed out on his desk to sitting upright in his chair when the scenes instantly cut.
Continuity mistake: The bartender behind Doctor Raynerd changes positions as the camera shots quickly change angles.