When Tony and Kate enter Horlacher's apartment, No Man of Her Own (1950) starring Barbara Stanwyck, John Lund and Lyle Bettger can be seen on the TV. In the film, Stanwyck's character lives a secret life after she assumes the identity of a dead woman.
Anna's eyes are a bright significant blue, this is a digital effect as the actress Tania Raymonde, has very dark Brown eyes.