Keldor's line "I'm laughing at the superior intellect" is from Star Trek II: The Wrath of Khan, where it was spoken by James Kirk as a taunt to his nemesis, Khan Noonian Singh. Keldor is voiced by William Shatner, who played James Kirk in the original Star Trek series and movies, including Star Trek II. Gates McFadden, who voices Queen Marlena, was also a series regular on Star Trek TNG, and Tony Todd (Scare Glow), John De Lancie (Granamyr), and Jeffrey Combs (Zodak) each guest starred in various roles on various Star Trek series.
Cam Clarke, who voices Stonedar the Rock Person in the opening scene, previously voiced Prince Adam/He-Man as well as King Grayskull in He-Man and the Masters of the Universe (2002).