When Meadows goes upstairs after being interviewed by the police, Jackie is wearing an off-the-shoulder top and has bare shoulders. However, when Meadows takes her into the bedroom, a bra strap is now visible on her right shoulder.
About five minutes into the film, Cummings (Richard Todd) is looking for his stolen car. One of the shots is "flipped" - the sign for "Berger's Cosmetics" reads backwards.