Richard Steven Horvitz
Zim (voice)
Pemeran
Andy Berman
Dib (voice)
Rosearik Rikki Simons
GIR (voice)
Melissa Fahn
Gaz (voice)
Lucille Bliss
Ms. Bitters (voice)
Rodger Bumpass
Professor Membrane (voice)
Kevin McDonald
Almighty Tallest Purple (voice)
R. Lee Ermey
Acting
Eliza Schneider
Acting
S. Scott Bullock
Acting
Sherman Howard
Oog-Oh (voice)
Dwight Schultz
Acting
Greg Ellis
Acting
Danny Cooksey
Acting
Olivia D'Abo
Acting
Mo Collins
Acting
Philece Sampler
Scientist #4 / Germ Woman / Tiny Germ Voice (voice)
Wally Wingert
Acting
