Jessica McKenna
Lennon (voice)

Fred Tatasciore
Gluko (voice)

Kat Palardy
Ho Cho Jo (voice)

Ennis Esmer
Stuhven (voice)

Jon Luke Thomas
Mayor (voice)

Dana Snyder
Grandma / Weird Bird (voice)

Lonny Ross
Weights (voice) / Cricket / Egg (voice) / Cricket / Shovel (voice) / Cricket (vo...

Cissy Jones
Frescha (voice) / Frescha / Building (voice) / Female Jelly (voice) / Frescha / ...

Kate Micucci
Geremy (voice) / Geremy / Hail Lady (voice) / Geremy / Candy Bar (voice)

"Weird Al" Yankovic
Mr. Sun

Lennon Parham
Claude (voice) / Claude / Radish Mom (voice) / Claude the Buff Hamster (voice)

Jeff Galfer
Radish Dad / Bottle Rockets / Happy Tourist (voice) / Radish Dad / Single Tear /...

Mike Mitchell
Gluko's Bed / Lyle (voice) / Lyle (voice) / Bumble Bee / Lyle / Streamer (voice)...

Aimee Mann
The Moon

JB Blanc
Derby / Red Pen (voice) / Red Pen / Cauliflower (voice) / Derby / Guy With Slide...

Helen Slayton-Hughes
Penelope Pitt-Plebop (voice) / Penelope Pitt-Plebop / Townsfolk (voice)

Richard Steven Horvitz
Pacifier / Jerry / Bear (voice) / Stevey Murple (voice)

Betsy Sodaro
Puddin' Peggy (voice) / The Sherris (voice)

Yuri Lowenthal
Mord / Gord (voice)

Derek Stephen Prince
Crumb Owner / Troll (voice) / Kunu (voice)