- as Captain Ed Mercer
- as Lt. Talla Keyali
- as Commander Kelly Grayson
- as Admiral Perry
- as Doctor Claire Finn
- as Orrin Channing
- as Lieutenant Gordon Malloy
- as Dann
- as Lieutenant Commander Bortus
- as Krill Captain Jackazh
- as Lt. Cmdr. John LaMarr
- as Ambassador K.T.Z.
- as Isaac
- as Krill High Priest
- as Brosk
- as Yaphit (Voice)
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