Fiona Bishop

Loretta Castillo (Voice)

Dee Bradley Baker

M.E.R.C. / Misc. (Voice)

Olivia Munn

Phoebe Callisto (Voice)

Grey DeLisle

Stella / Queen Gemma / Misc. (voice)

Diedrich Bader

Admiral Crick / Misc. (Voice)

Cullen McCarthy

Miles Callisto (Voice)

Justin Felbinger

Miles Callisto (Voice)

Ivy Bishop

Mirandos (voice)

Sam Lavagnino

Blodger Blop (voice)

Neil deGrasse Tyson

Main Title Narration (voice)

Issac Ryan Brown

Haruna Kitumba (voice)

Elan Garfias

Commander Nemex (voice)

Manny Montana

Zeno

Danny Jacobs

Admiral Watson / Misc. (Voice)

Tom Kenny

Leo Callisto / Misc. (Voice)

Mark Hamill

Gadfly Garnett (voice)

Ethan Wacker

Pip Whipley (voice)

Julie Nathanson

Artist Bot (voice)