Jhonen Vasquez

as Computer / Minimoose (voice)

Melissa Fahn

as Gaz (voice)

Wally Wingert

as Almighty Tallest Red (voice)

Richard Steven Horvitz

as Zim (voice)

Olivia D'Abo

as Tak's Ship (voice)

Rosearik Rikki Simons

as GIR / Bloaty (voice)

Andy Berman

as Dib (voice)

Rodger Bumpass

as Professor Membrane (voice)

Kevin McDonald

as Almighty Tallest Purple (voice)

Eric Bauza

as Bracelet Monster / Announcer / Angry Man / Boy (voice)

Breehn Burns

as Hot Dog Guy (voice)

Justin Roiland

as Foodio 3000 / Weird Alien #1 / Excited Audience Member (voice)

Fred Tatasciore

as Peace Day Host / Comms Officer / Ham V.O. / Alien Guard / Man (voice

Jenny Goldberg

as Floopsy / Martha / Happy Lady / Weird Alien #3 / Girl / Pizza Kid (voice)

Mo Collins

as Robo-Mom (voice)

Michael McDonald

as Robo-Dad (voice)

Paul Greenberg

as Poonchy (voice)