Ellery and Richard Queen spend the entire time complaining about the poor choice of actors that are portraying them in the film. Richard Queen makes references to Lee Bowman and Hugh Marlowe, who actually played Ellery Queen on TV in the 1950s.
The plot of "The Sinister Scenario" parallels recent events on the set of the movie "Rust."
If you look closely at the hats worn by the star and the stuntman they resemble Ellery's hat. However, the tweed is slightly different and buckles are very large compared to Ellery's.
This episode contains 3 Batman villains: The Mad Hatter (David Wayne), Egghead (Vincent Price), and Nora Clavicle (Barbara Rush).