Margot Kidder
Solitaire (voice)
Roddy McDowall
Nuggit (voice)
Michael Nouri
Boulder (voice)
Telly Savalas
Magmar (voice)
Arthur Burghardt
Turbo / Cop-Tur / Talc (voice)
Ike Eisenmann
Nick (voice)
Bernard Erhard
Cy-Kill (voice)
Marilyn Lightstone
Crasher (voice)
Morgan Paull
Matt (voice)
Lou Richards
Leader-1 (voice)
Leslie Speights
A.J. (voice)
Frank Welker
Scooter / Zeemon / Rest-Q / Pulver-Eye / Sticks / Narliphant (voice)
Michael Bell
Slimestone / Granite / Narligator (voice)
Foster Brooks
Stoneheart / Fossil Lord (voice)
Ken Hudson Campbell
Van Guard (voice)
Philip L. Clarke
Herr Fiend / Crackpot / Tork (voice)
Peter Cullen
Pincher / Tombstones / Stones (voice)
Richard Gautier
Brimstone / Klaws / Rock Narlie (voice)
Darryl Hickman
Marbles / Hornet (voice)
B.J. Ward
Small Foot (voice)
Kelly Ward
Fitor (voice)
Kirby Ward
Heat Seeker (voice)