Continuity mistake: After the bad guys rough up Diamond in his apartment, his hair alternates several times between falling over his forehead and staying neatly combed as the camera angles change.
Richard Diamond, Private Detective (1957)
1 continuity mistake in Widow's Walk - chronological order
Starring: David Janssen
Visible crew/equipment: Diamond parks outside the apartment house, and when he opens the car door, it mirrors several stage lights and reflectors.