StuGo

Tania Gunadi

Pliny (voice) · 40 eps

Zosia Mamet

Merian (voice) · 40 eps

Gabourey Sidibe

Francis (voice) · 40 eps

Lo Mutuc

Larry (voice) · 40 eps

Deborah Baker Jr.

Sara (voice) · 40 eps

Lorraine Toussaint

Dr. Lullah (voice) · 40 eps

Zach Reino

Chip (voice) · 40 eps

Jake Green

Mr. Okay (voice) · 40 eps

Ryan Gillis

Chicho / Shrimp Mutant (voice) / Chicho (voice) / Chicho / Muscle Mouse (voice) / Muscle Mouse / Turtle Mutant (voice) / Chicho / Long Legs Mutant / Muscle Mouse (voice) · 15 eps

Eric Bauza

Grim Reaper / Arfthur (voice) / Nostrildamus / Pipsqueak / Tusky Boy (voice) / Honorabl3 Impartial-Bot / Big Mitchell (voice) / Big Mitchell / Parrot Mutant / Robot (voice) / Question Bot (voice) / Commerical Announcer (voice) / Big Mitchell / Blood Pressure / Catapult Kevin (voice) / Bomb Swapper / Defuser (voice) / Wolf-Demon / Mutants (voice) / Blood Pressure (voice) · 10 eps

Fred Tatasciore

Nils Vulfen (voice) / Glands (voice) / Jean-Michel (voice) / Nils Vulfen / Ear Krill / Mudskipper (voice) / Alpha Betta / Referee Betta / Tough Betta (voice) / Snake Mutant / Shrimp Mutant (voice) / Keanu Mutant / Snake Mutant / Frogatha's Dad (voice) / Dead Fish Mutant / Rock Iguana Mutant (voice) / Bog Dog / Keanu Mutant (voice) · 9 eps

Grey DeLisle

Flamingo Mutant (voice) / British Narrator / Ivory Olfactus (voice) / Frogatha / Hand Holders Announcer / Flamingo Mutant (voice) / Blobfish Mutant (voice) · 4 eps

Sunil Hall

Sunil the Sailor (voice) · 3 eps

Steve Wolfhard

Skeletal Walrus (voice) / Lemonade / Pig / Rhino Mutant (voice) / Pig (voice) · 3 eps

Erica Jones

Rianne / Bethany (voice) / Rianne (voice) · 3 eps

Fryda Wolff

Merian's Mom (voice) / Nefarious Plants (voice) · 2 eps

Brian Jordan Alvarez

Van (voice) / Plant / Guard #2 (voice) · 2 eps

Marieve Herington

Zora (voice) / Crabecca / Bee Mutants (voice) · 2 eps

Dave Sebastian Williams

Narrator Fish (voice) · 1 ep

Kaitlyn Robrock

Tara / Baby Tara (voice) · 1 ep