James Callis

as Pat Gueterman / Courier Flaps (voice)

Tricia Helfer

as Donna Gueterman / Federation Robot (voice)

Arin Hanson

as Photography Cyborgs / Three-Eyed Prisoner (voice)

Dan Harmon

as Birdperson / Wedding Singer / Screaming Sun (voice)

Tom Kenny

as Squanchy / Bartender / Customs Gromflomite (voice)

Nolan North

as Alien News Anchorman / Agent Gribbles (voice)

Kari Wahlgren

as Rick's Computer / Alien News Anchorwoman (voice)