Revealing mistake: When Magnum chases after Randolph at the airport tarmac and finally catches him, there's an outline of elbow pads on Magnum's sleeves. Earlier, there was a shot from behind Magnum as he pulled the gun from his waistband, and his sleeves were normal.
Revealing mistake: Chased by the bad guy who shoots over 9 times, Magnum makes a sharp, almost "U" turn; the car slows down during the turn, enough for the viewer to appreciate how thoroughly unlike John Hillerman his stunt double is, with his head full of hair. (00:33:10)