Marshall Berenson
(Detective Farber)
Henry Correira
(Theodore's Dad)
C.E. Courtney
(Zen Gottschalk)
Frankie Frain
(Vivian / Dr. Diplodocus (Voice) / Ezekiel (Voice) / Mr. I Dunno (Voice) / Dad (Voice) / Zen (Voice))
Brad Glanden
(Theodore)
E.J. Massa
(Dr. Diplodocus / Lew "Android" Webber (Voice))
Maria Natapov
(Stella / Daisy / Tina / Dunk (Voice) / Kay (Voice) / Theodore's Mom (Voice))
Alex Peacher
(Arnheim)
Will Rogan
(Lew "Android" Webber)
Ingrid Stobbe
(Dunk / Andrea)
C. Ronjohn Troejaxx
(Ezekiel)
Pamela Valentine
(Theodore's Mom)
Eric van der Vynckt
(Mr. I Dunno)
Danielle Zuckerman
(Kay Mart)
Qinshu Zuo
(Lucy Adapted)