The Adventure of Sherlock Holmes' Smarter Brother/Trivia
- Hey It's That Guy: Willy Wonka plays Sigerson, Lili von Schtupp plays Jenny, and Igor plays Sacker.
- More specifically, this is the reunion of Frederick, Elizabeth, and Igor.
- Bugenhagen plays Moriarty, Mister Salt plays his henchman, and Ceaser Nero plays Eduardo Gambetti. Mr. Rumbold is Sigerson's manservant, Hunkston.
- Hey It's That Voice: Mel Brooks voices a henchman who gets fed to a tiger (offscreen).