The Phantom Tollbooth/Trivia
- Hey, It's That Guy!: Milo is played in the live action segments and voiced in the animated segments by Butch Patrick, best known as Eddie Munster.
- Hey, It's That Voice!: Voice acting legend Mel Blanc performs the voice of several characters. There's a bit of a fail here, as some characters sound exactly like Blanc's previous characters: The Dodecahedron sounds exactly like Bugs Bunny and The Demon of Insincerity sounds like Yosemite Sam.
- There are in fact a number of other well-known voice performers in the cast for the discerning ear to discover:
- The Whether Man is Daws Butler.
- Hans Conried was both King Azaz and the Mathemagician.
- June "Rocky the Squirrel" Foray voiced Ralph, The Which and the Princess of Pure Reason.
- Frequent Disney voice performer Candy Candido was the Awful Dynne.
- Disney voice actor and singer Thurl Ravenscroft voices some of the Lethargians.
- There are in fact a number of other well-known voice performers in the cast for the discerning ear to discover:
- X Meets Y: The book can probably be described as Alice in Wonderland meets The Wonderful Wizard of Oz with a dash of Dr. Seuss thrown in.
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