- Sean Schemmel - Hammer / Announcer / Townsperson (voice)
- Alex Jayne Go - Little Bubble (voice)
- Brendon Small - Pointy Thing (voice)
- Dave Franco - Dave (voice)
- June Diane Raphael - Sheena (voice)
- Helen Slayton-Hughes - Penelope Pitt-Plebop / Townsfolk (voice)
- Helen Slayton-Hughes - Penelope Pitt-Plebop (voice)
- Richard Steven Horvitz - Stevey Murple (voice)
- Richard Steven Horvitz - Pacifier / Jerry / Bear (voice)
- Betsy Sodaro - The Sherris (voice)
- Betsy Sodaro - Puddin' Peggy (voice)
- Yuri Lowenthal - Mord / Gord (voice)
- Lennon Parham - Claude (voice)
- Lennon Parham - Claude / Radish Mom (voice)
- Lennon Parham - Claude the Buff Hamster (voice)
- Lonny Ross - Cricket / Popcorn Kernel / Pudding / Pudding Ghost (voice)
- Lonny Ross - Horse / Hot Chocolate Ghost / Tofu Block (voice)
- Lonny Ross - Adorable Bunny (voice)
- Lonny Ross - Cricket / Ice Cream Cone 1 (voice)
- Lonny Ross - Cricket / Egg (voice)
- Lonny Ross - Cricket (voice)
- Lonny Ross - Cricket / Shovel (voice)
- Lonny Ross - Weights (voice)
- Lonny Ross - Cricket / Crab #1 / Horse (voice)
- Lonny Ross - Peevy / Worm (voice)
- Lonny Ross - Ricky / Gluko's Internal Clock (voice)
- Paul Scheer - Raymond the Cloud (voice)
- Derek Stephen Prince - Kunu (voice)
- Derek Stephen Prince - Crumb Owner / Troll (voice)
- Jeff Galfer - Radish Dad / Ash Tree (voice)
- Jeff Galfer - Radish Dad (voice)
- Jeff Galfer - Radish Dad / Bottle Rockets / Happy Tourist (voice)
- Jeff Galfer - Radish Dad / Single Tear / The Projector (voice)
- Jeff Galfer - Street Light (voice)
- Mike Mitchell - Gluko's Bed / Lyle (voice)
- Mike Mitchell - Lumberyak (voice)
- Mike Mitchell - Lyle (voice)
- Mike Mitchell - Bumble Bee / Lyle / Streamer (voice)
- JB Blanc - Red Pen / Cauliflower (voice)
- JB Blanc - Derby / Guy With Slide Projector Hat (voice)
- JB Blanc - Derby / Red Pen (voice)
- Cissy Jones - Frescha (voice)
- Cissy Jones - Frescha / Building (voice)
- Cissy Jones - Frescha / Llama (voice)
- Cissy Jones - Female Jelly (voice)
- Cissy Jones - Frescha / Hot Chocolate (voice)
- Cissy Jones - Cart (voice)
- Cissy Jones - Frescha / Mini Pony (voice)
- Cissy Jones - Frescha / Reporter / Snake (voice)
- Kate Micucci - Geremy (voice)
- Kate Micucci - Geremy / Hail Lady (voice)
- Kate Micucci - Geremy / Candy Bar (voice)
- Ben Gruber - Biff / Tiny Shovel (voice)
- 'Weird Al' Yankovic - Mr. Sun
- Aimee Mann - The Moon
- Michael Bolton - Himself
- Dani Michaeli
- Eban Schletter
Aimee Mann interpreta a The Moon en la serie.
Jessica McKenna hace el papel de Lennon (voice).
Fred Tatasciore interpreta a Gluko (voice) en la serie.
Kat Palardy interpreta a Ho Cho Jo (voice) en la serie.
Ennis Esmer hace el papel de Stuhven (voice).
Jon Luke Thomas hace el papel de Mayor (voice).
Dana Snyder interpreta a Grandma / Weird Bird (voice) en la serie.
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