Pearl Mackie

as "Pops" Popowski (voice)

Aleks Sennwald

as Mary Branwell (voice)

Greg Chun

as Chow (voice)

Jon Daly

as Johnny Minestrone / Noodlebot (voice)

Jill Marie Lawrence

as The Captain (voice)

Zosia Mamet

as DPI / Mallory (voice)