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 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.