Cast of Human Discoveries
Main cast
Anna Kendrickas Jane (voice)
Zac Efronas Gary (voice)
Jillian Bellas Minerva (voice)
Lamorne Morrisas Trog (voice)
James Adomianas Tristan (voice)
Stephanie Beatrizas Beth (voice)
Ed Begley Jr.as Marsh (voice)
Sam Richardsonas Bog (voice)
Paul Scheeras Ugg (voice)
Lisa Kudrowas Judy Elk (voice)