Tania Gunadi
Pliny (voice)

Zosia Mamet
Merian (voice)

Gabourey Sidibe
Francis (voice)

Charlyne Yi
Larry (voice)

Deborah Baker Jr.
Sara (voice)

Lorraine Toussaint
Dr. Lullah (voice)

Zach Reino
Chip (voice)

Jake Green
Mr. Okay (voice)

Eric Bauza
Big Mitchell / Parrot Mutant / Robot (voice) / Question Bot (voice) / Wolf-Demon...

Fred Tatasciore
Dead Fish Mutant / Rock Iguana Mutant (voice) / Bog Dog / Keanu Mutant (voice) /...

Grey DeLisle
Frogatha / Hand Holders Announcer / Flamingo Mutant (voice) / Flamingo Mutant (v...

Fryda Wolff
Merian's Mom (voice) / Nefarious Plants (voice)

Brian Jordan Alvarez
Van (voice) / Plant / Guard #2 (voice)

Marieve Herington
Crabecca / Bee Mutants (voice) / Zora (voice)

Dave Sebastian Williams
Narrator Fish (voice)

Kaitlyn Robrock
Tara / Baby Tara (voice)

Jessica Lowe
Kelp Commander (voice)

Johnny Pemberton
Peanut (voice)

Parvesh Cheena
Flounder Mutant (voice)

Cyrina Fiallo
Mariana Trent (voice)