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

15 episodes

Eric Bauza

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

10 episodes

Fred Tatasciore

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

9 episodes

Grey DeLisle

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

4 episodes

Sunil Hall

Sunil the Sailor (voice)

3 episodes

Steve Wolfhard

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

3 episodes

Erica Jones

Rianne / Bethany (voice) / Rianne (voice)

3 episodes