Heathcliff & the Catillac Cats was a cartoon produced by DIC, in 1984. The show splits into two segments: Heathcliff; and The Catillac Cats. 
The Heathcliff segments focus on the everyday adventures of Heathcliff and the cast from the comic strip, as well as regular appearances by Hector, Wordsworth and Mungo.
The Catillac Cats segments (also called "Cats & Co" in the end credits) focus on the adventures of Riff-Raff, Cleo, Hector, Wordsworth and Mongo.
- Mel Blanc - Heathcliff
- Donna Christie - Cleo, Iggy
- Peter Cullen - Additional Voices (Season 1)
- Jeannie Elias - Marcy, Willie
- Stanley Jones - Riff-Raff, Wordsworth, Milkman
- Marilyn Lightstone - Sonja, Grandma; Additional Voices (Season 1 & 2)
- Danny Mann - Hector, Fish Market Proprietor; Additional Voices (Season 2)
- Derek McGrath - Knuckles, Muggsy, Spike; Additional Voices (Season 1)
- Marilyn Schreffler - Additional Voices (Season 1)
- Danny Wells - Bush, Raul
- Ted Zeigler - Leroy, Mungo, Grandpa; Additional Voices (Season 2)
- ↑ http://www.imdb.com/title/tt0285371/?ref_=nm_flmg_act_5