Melissa Fahn
Gaz (voice)
Lucille Bliss
Ms. Bitters (voice)
Andy Berman
Dib (voice)
Rodger Bumpass
Professor Membrane (voice)
Richard Steven Horvitz
Zim (voice)
Rosearik Rikki Simons
GIR (voice)
Kevin McDonald
Almighty Tallest Purple (voice)
There are no cast records added to FBI Warning of Doom.
Kyle Menke
Storyboard Artist
Shawn Murray
Steve Ressel
Director
Frank Conniff
Writer
Jhonen Vasquez
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