Jhonen Vasquez

Character: Computer / Minimoose (voice)

Melissa Fahn

Character: Gaz (voice)

Wally Wingert

Character: Almighty Tallest Red (voice)

Richard Steven Horvitz

Character: Zim (voice)

Olivia D'Abo

Character: Tak's Ship (voice)

Rosearik Rikki Simons

Character: GIR / Bloaty (voice)

Andy Berman

Character: Dib (voice)

Rodger Bumpass

Character: Professor Membrane (voice)

Kevin McDonald

Character: Almighty Tallest Purple (voice)

Eric Bauza

Character: Bracelet Monster / Announcer / Angry Man / Boy (voice)

Breehn Burns

Character: Hot Dog Guy (voice)

Justin Roiland

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

Fred Tatasciore

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

Jenny Goldberg

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

Mo Collins

Character: Robo-Mom (voice)

Michael McDonald

Character: Robo-Dad (voice)

Paul Greenberg

Character: Poonchy (voice)