Dr. Nefarious (voice)
Brainiac (voice)
General Skarr (voice)
General Skarr (voice)
Plahte
General Skarr / Pirate #7 (voice)
General Skarr / Candy Skeleton / Rat / Creepy Gnome (voice)
Self
General Skarr/Stomach (voice)
Interrogation Sergeant
Self
Eulogy Audience
Função desconhecida
Thomas
Prison Psychiatrist
Self
Dr. Gottesman
Judge Arthur Younger
Dr. Oberlander
Anteaus (archive footage) (uncredited)
Self
Judge Paloma
Waiter / Gopher Person / Guy (voice)
Quark (voice)
Self
Self
Self
Quark (voice)
Phil (voice)
Dr. Milo (voice)
Zilius Zox (voice)
David Rittenhouse
Additional Voices (voice)
Additional Voices (voice)
Benjamin Donnelly
Dr. Cutler
Stu Weston
Função desconhecida
Dr. O'Neill
Charlie Martin
