Continuity mistake: While Diamond talks to the newspaper editor, he has two locks of hair falling over his forehead in full shots, but in close-up, his hair is neatly combed back. The forelocks come and go repeatedly after that, throughout the episode. (00:18:00)
Richard Diamond, Private Detective (1957)
1 continuity mistake in The Dark Horse
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.