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) / Commerical Announcer (voice) / Bi...

Fred Tatasciore
Dead Fish Mutant / Rock Iguana Mutant (voice) / Jean-Michel (voice) / Snake Muta...

Grey DeLisle
Flamingo Mutant (voice) / Blobfish Mutant (voice) / Frogatha / Hand Holders Anno...

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