Andrew Santino
Theo (voice)

Jessica St. Clair
Deb (voice)

David Gborie
Darby (voice)

Maile Flanagan
Matt (voice)

Fred Tatasciore
Al (voice) / Mr. Bartlebee (voice) / Charles (voice) / President of Adoption (vo...

Stephanie Sheh
Rachel (voice) / Ghost Boy (voice) / Holly (voice)

Debra Wilson
Clair Bailey (voice) / Tonya (voice) / Serenity (voice) / Jill (voice) / Antique...

Andy Daly
Ron Dennison (voice) / SWAT Member #3 (voice) / Young Luther (voice)

Lennon Parham
Mel Dennison (voice) / Hazelnut (voice) / Mrs. Bartlebee (voice) / Old Board Mem...

Eric Bauza
Paul (voice) / Scientist (voice) / Utzi Wutzi (voice) / Stuart (voice) / Dan (vo...

Jamar Malachi Neighbors
Moey D (voice)

Gareth Reynolds
Clark (voice) / Lars (voice) / Build-a-Dillo Owner (voice)

George Basil
George Zeebos (voice)

Gilbert Gottfried
The Fixer (voice)

Fred Armisen
Brent (voice)

Carlos Alazraqui
Tio Pepe (voice)

Felipe Esparza
Mexican Officer (voice)

Carolina Ravassa
The Traveler (voice)

Stephanie Sigman
Abuelita (voice)

Oliver Tree
Zane (voice)