Steve J. Spears
voices Jace
Alexandra Stoddart
voices Jan
Frank Welker
voices Blip
Sparky Marcus
voices Dorno
Virginia Gregg
voices Tara
Don Messick
voices Gloop
Don Messick
voices Gleep
Darryl Hickman
voices Kid Comet
David Raynr
voices Moleculad
Michael Winslow
voices Glax
Michael Winslow
voices Plutem
Allan Lurie
voices Uglor
Don Messick
voices Astro
Lennie Weinrib
voices Dipper
Frank Welker
voices Cosmo