Heathcliff and The Catillac Cats/Trivia


 * Hey, It's That Voice!: Heathcliff was voiced by Mel Blanc. Who is also known to fans for playing (among others) Bugs Bunny, Daffy Duck, and Porky Pig.
 * Sonja was voiced by Marilyn Lightstone. Who also played Crasher, Alice Mitchell and Martha Wilson, and Muriel Stacey-Pettibone.
 * Spike was voiced by Derek McGrath. Who also played Dr. Benjamin Jeffcoate, Andy Schroeder, and Reverend Duncan Magee.
 * Riff Raff and Wordsworth were voiced by Gordon Stanley Jones. Who also played Lex Luthor, and Scourge.
 * Cleo was voiced by Donna Christie. Who also played Gina Gillotti.
 * Hector was voiced by Danny Mann. Who also played the Creep, Freeway and Lightspeed, and J. Gander Hooter.
 * Mungo and Leroy were voiced by Ted Zeigler. Who also played Johnny Jellybean in the show of that name.
 * Talking to Himself: Riff Raff and Wordsworth were both voiced by Stan Jones.