Invader ZIM
Richard Steven HorvitzZim (voice)
Andy BermanDib (voice)
Rosearik Rikki SimonsGIR (voice)
Melissa FahnGaz (voice)
Lucille BlissMs. Bitters (voice)
Rodger BumpassProfessor Membrane (voice)
Kevin McDonaldAlmighty Tallest Purple (voice)
Wally WingertRed / SIR (voice)
Mo CollinsRoboMom / Zita (voice)
Danny Cooksey
Olivia D'Abo
Candi MiloGirl (voice), Clara / Woman in Crowd (voice), Mrs. Buggy / Giganto Baby (voice)
Jhonen VasquezComputer Voice / Old Kid / Brian (voice), Minimoose / Computer / Precocious Kid / Kid in Crowd (voice)
R. Lee Ermey
Eliza Schneider
S. Scott Bullock
Sherman HowardOog-Oh (voice)
Dwight Schultz
Greg Ellis
Philece SamplerScientist #4 / Germ Woman / Tiny Germ Voice (voice)
Dee Bradley BakerSanta Gerg / Guy in Crowd #1 / Cutest Little Kid (voice)
Kathryn FioreKid / Santa Fan #2 / Little Girl (voice)
Jeffrey JonesPresidentman / Crowd Man / Guy in Crowd #2 (voice)
Brad AbrellAnnouncer (voice)
Phil LaMarrThe Letter M (voice)
Michael McDonaldRoboDad / Crewman (voice)