Piper Curda

Mabel (voice)

Bobby Moynihan

King George (voice)

Jon Hamm

Mayor Jerry Generazzo (voice)

Kathy Najimy

Dr. Sam (voice)

Dave Franco

Insect King (voice)

Eduardo Franco

Loaf (voice)

Aparna Nancherla

Nisha (voice)

Sam Richardson

Conner (voice)

Isiah Whitlock Jr.

Bird King (voice)

Meryl Streep

Insect Queen (voice)

Melissa Villaseñor

Ellen Bear (voice)

Steve Purcell

Amphibian King / Additional Voices (voice)

Ego Nwodim

Fish Queen (voice)

Nichole Sakura

Reptile Queens (voice)

Karen Huie

Grandma Tanaka (voice)

Vanessa Bayer

Diane (voice)

Joe Spano

Ancient Beavertonian (voice)

Eman Abdul-Razzak

Insect Prince (voice)

Demetri Martin

Flock of Birds / Additional Voices (voice)

Lila Liu

Young Mabel / Additional Voices (voice)

Lori Alan

Additional Voices (voice)

Carlos Alazraqui

Additional Voices (voice)

Bill Barretta

Additional Voices (voice)

Reba Buhr

Additional Voices (voice)

Daniel Chong

Additional Voices (voice)

Josh Cooley

Additional Voices (voice)

Grey DeLisle

Additional Voices (voice)

Liza del Mundo

Additional Voices (voice)

Alex Désert

Additional Voices (voice)

Terri Douglas

Additional Voices (voice)

Eric Edelstein

Additional Voices (voice)

Jake Green

Additional Voices (voice)

Damien C. Haas

Additional Voices (voice)

Matthew Yang King

Additional Voices (voice)

Eric Lopez

Additional Voices (voice)

Melanie Minichino

Additional Voices (voice)

Brent Mukai

Additional Voices (voice)

Gabrielle Nevaeh

Additional Voices (voice)

Anoush NeVart

Additional Voices (voice)

Laraine Newman

Additional Voices (voice)

Ajani Perkins

Additional Voices (voice)

Bob Peterson

Additional Voices (voice)

Jeff Pidgeon

Additional Voices (voice)

Sean Rohani

Additional Voices (voice)

Kyler Spears

Additional Voices (voice)

Marcus Toji

Additional Voices (voice)

Debra Wilson

Additional Voices (voice)

Secunda Wood

Additional Voices (voice)

Rick Zieff

Additional Voices (voice)