The Seventh Victim (1943)
Tom Conway plays the character Dr. Louis Judd in both films. Elizabeth Russell seems to be playing the same uncredited character as well.
Lou Lubin's character owns a restaurant called the "Tiptoe Inn". In the Seventh Victim, Jacquelin talks about Lou Lubin tiptoeing in to see her.
Referenced by name
It is mentioned and discussed. Also, footage of this movie is shown.
A clip is shown