Invader ZIM Season 1 Characters & Cast — No Spoilers
Every character in Invader ZIM season 1 with photos and the actors who play them, including Richard Steven Horvitz, Andy Berman, Rosearik Rikki Simons — spoiler-free, nothing from later seasons.
- Zim (voice) — played by Richard Steven Horvitz
- Dib (voice) — played by Andy Berman
- GIR (voice) — played by Rosearik Rikki Simons
- Gaz (voice) — played by Melissa Fahn
- Ms. Bitters (voice) — played by Lucille Bliss
- Professor Membrane (voice) — played by Rodger Bumpass
- Almighty Tallest Purple (voice) — played by Kevin McDonald
- Red / SIR (voice) — played by Wally Wingert
- — — played by Danny Cooksey
- Mrs. Buggy / Giganto Baby (voice) / Girl (voice) — played by Candi Milo
- RoboMom / Zita (voice) — played by Mo Collins
- — — played by R. Lee Ermey
- Oog-Oh (voice) — played by Sherman Howard
- — — played by Dwight Schultz
- — — played by Greg Ellis
- — — played by Olivia D'Abo
- Scientist #4 / Germ Woman / Tiny Germ Voice (voice) — played by Philece Sampler
- Announcer (voice) — played by Brad Abrell
- The Letter M (voice) — played by Phil LaMarr
- RoboDad / Crewman (voice) — played by Michael McDonald
All seasons of Invader ZIM: full spoiler-free character guide