Michael Winslow
Plutem (voice)
Darryl Hickman
Kid Comet (voice)
Frank Welker
Cosmo / Blip (voice)
Michael Bell
Space Ace (voice)
Lennie Weinrib
Dipper (voice)
Don Messick
Astro / Gloop / Gleep (voice)
Gary Owens
Space Ghost (voice)
B.J. Ward
Elektra (voice)
Alexandra Stewart
Jan (voice)
Virginia Gregg
Tara (voice)
Steve J. Spears
Jace (voice)
Sparky Marcus
Dorno (voice)
Mike Road
Zandor / Tundro / Zok / ... (voice)
Allan Lurie
Uglor (voice)
