- John Stephenson
- Â Professor Harkness 13 episodes, 1979
- Art Metrano
- Â Spike / ... 13 episodes, 1979
- Noelle North
- Â Kelly / ... 13 episodes, 1979
- John Erwin
- Â Ronald Radford III / ... 13 episodes, 1979
- Marilyn Schreffler
- Â Betty Harkness / ... 13 episodes, 1979
- Michael Sheehan
- Â Turkey 13 episodes, 1979
- Joe Baker
- Â The Thing 13 episodes, 1979
- Wayne Morton
- Â Benjy Grimm / ... 13 episodes, 1979
- Frank Welker
- Â 'Bad News' Bedazzle / ... 5 episodes, 1979
- Peter Cullen
- Â The Clunk 1 episode, 1979
- Mel Blanc
- Â Barney Rubble / ... unknown episodes
- Jean Vander Pyl
- Â Pebbles Flintstone / ... unknown episodes
- Don Messick
- Â Bamm-Bamm Rubble unknown episodes
- Henry Corden
- Â Fred Flintstone unknown episodes
- Gay Autterson
- Â Betty Rubble unknown episodes
- Wayne Norton
- Â Benjy Grimm unknown episodes
