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Jeff Bennett as Dr. Gluckman / Martian Guard #1 / President (voice) |
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Corey Burton as Martian Scientist / Court Attendant / Eyes At Gate (voice) |
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Kathryn Fiore as Peep / Press Girl (voice) |
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Brad Garrett as Commander Bristle / Martian Guard #3 (voice) |
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Jess Harnell as Major Buzz Blister / Martian General / Worker #3 (voice) |
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Tom Kenny as Grob / Gardener #1 / Martian Guard #2 (voice) |
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Bill Kopp as Tom / Press Guy #1 (voice) |
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Rob Paulsen as Computer / Worker #1 / Worker #2 (voice) |
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Frank Welker as Spike (voice) |
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Billy West as Major Biff Buzzard / King Thingg / Gardener #2 (voice) |
| Directing | Bill Kopp | Director |
| Editing | Ken Solomon | Editor |
| Production | Diane A. Crea | Associate Producer |
| Production | Tom Minton | Producer |
| Production | Joseph Barbera | Executive Producer |
| Writing | Bill Kopp | Writer |
| Writing | Joseph Barbera | Characters |
| Writing | William Hanna | Characters |
| Sound | Julie Bernstein | Original Music Composer |
| Sound | Steven Bernstein | Original Music Composer |
