* HeyItsThatVoice: Including Jodi Benson as Tula, Hector Elizondo as Ioz (although Creator/JimCummings replaced him in Season 2), Creator/GeorgeNewbern as Ren, the late Brock Peters ([[Film/StarTrekIVTheVoyageHome Admiral]] [[Film/StarTrekVITheUndiscoveredCountry Cartwright]], [[Series/StarTrekDeepSpaceNine Joe Sisko]], and previous and future Hanna-Barbera Big Bads [[WesternAnimation/GaltarAndTheGoldenLance Tormack]] and [[WesternAnimation/SwatKats Dark Kat]]) as Bloth, TimCurry as Konk and Creator/FrankWelker as Niddler (who replaced [=Roddy McDowall=]).
** And Kate Mulgrew (''Series/StarTrekVoyager'''s Captain Janeway) as the captain of the GhostShip in Season 3.
* HoistByHisOwnPetard: The show's lavish visual style came from Turner giving the creators more money. Unfortunately, the price tag eventually became so hefty that it ended up leading to the series' cancellation.