Visible crew/equipment: Diamond parks outside the apartment house, and when he opens the car door, it mirrors several stage lights and reflectors.
Richard Diamond, Private Detective (1957)
Starring: David Janssen
Revealing mistake: The car that goes over the cliff is at least ten years older than the car it's supposed to be - the 1957 Plymouth Fury that Diamond was driving. It's obviously old 1940s stock footage.
Revealing mistake: During the fistfight at the end, David Janssen's stunt double's face is visible several times. (00:23:30)
