- as Captain Ed Mercer
- as Lt. Janel Tyler / Teleya
- as Commander Kelly Grayson
- as Lt. Tharl
- as Doctor Claire Finn
- as Cassius
- as Lieutenant Gordon Malloy
- as Krill Captain
- as Lieutenant Commander Bortus
- as Krill Officer
- as Lt. Cmdr. John LaMarr
- as Security Officer
- as Isaac
- as Lieutenant Dorsett
- as Krill Voice (Voice)
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