Detective Farber

Theodore's Dad

Zen Gottschalk

Vivian / Dr. Diplodocus (Voice) / Ezekiel (Voice) / Mr. I Dunno (Voice) / Dad (Voice) / Zen (Voice)

Theodore

Dr. Diplodocus / Lew "Android" Webber (Voice)

Stella / Daisy / Tina / Dunk (Voice) / Kay (Voice) / Theodore's Mom (Voice)

Arnheim

Lew "Android" Webber

Dunk / Andrea