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)