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
Bomb Swapper / Defuser (voice) / Big Mitchell / Blood Pressure / Catapult Kevin ...

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

Grey DeLisle
Blobfish Mutant (voice) / British Narrator / Ivory Olfactus (voice) / Frogatha /...

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

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

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