When Ellery and his father emerge from the taxi at the soundstage, a modern office building may be observed in the background.
Richard opines that Brian Donlevy or Chester Morris would be well-cast to play Richard in films. However, in 1947, those actors were each 46 years old and Ellery was 35. Troy Donahue was 39 when he portrayed the actor portraying Ellery, so Richard thinking an actor in his mid-40s would be "perfect" casting as Ellery's father is laughable.