Kadro (20)
Fiona BishopLoretta Castillo (Voice)
Dee Bradley BakerM.E.R.C. / Misc. (Voice)
Olivia MunnPhoebe Callisto (Voice)
Grey DeLisleStella / Queen Gemma / Misc. (voice)
Diedrich BaderAdmiral Crick / Misc. (Voice)
Cullen McCarthyMiles Callisto (Voice)
Justin FelbingerMiles Callisto (Voice)Ivy BishopMirandos (voice)
Sam LavagninoBlodger Blop (voice)
Neil deGrasse TysonMain Title Narration (voice)
Issac Ryan BrownHaruna Kitumba (voice)Elan GarfiasCommander Nemex (voice)
Manny MontanaZeno
Danny JacobsAdmiral Watson / Misc. (Voice)
Tom KennyLeo Callisto / Misc. (Voice)
Mark HamillGadfly Garnett (voice)
Ethan WackerPip Whipley (voice)
Julie NathansonArtist Bot (voice)
Adrian GrenierCaptain Joe (voice)
John DiMaggioAggro (voice)