Full cast of StuGo

Tania Gunadi

Pliny (voice)

40 episodes

Zosia Mamet

Merian (voice)

40 episodes

Gabourey Sidibe

Francis (voice)

40 episodes

Lo Mutuc

Larry (voice)

40 episodes

Deborah Baker Jr.

Sara (voice)

40 episodes

Lorraine Toussaint

Dr. Lullah (voice)

40 episodes

Zach Reino

Chip (voice)

40 episodes

Jake Green

Mr. Okay (voice)

40 episodes

Ryan Gillis

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

15 episodes

Eric Bauza

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

10 episodes

Fred Tatasciore

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

9 episodes

Grey DeLisle

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

4 episodes

Sunil Hall

Sunil the Sailor (voice)

3 episodes

Steve Wolfhard

Pig (voice) / Lemonade / Pig / Rhino Mutant (voice) / Skeletal Walrus (voice)

3 episodes

Erica Jones

Rianne (voice) / Rianne / Bethany (voice)

3 episodes