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)

Melissa Villaseñor

Ellen (voice)

Isiah Whitlock Jr.

Bird King (voice)

Steve Purcell

Amphibian King (voice)

Ego Nwodim

Fish Queen (voice)

Nichole Sakura

Reptile Queens (voice)

Meryl Streep

Insect Queen (voice)

Karen Huie

Grandma Tanaka (voice)

Lila Liu

Young Mabel (voice)

Vanessa Bayer

Diane (voice)

Joe Spano

Ancient Beavertonian (voice)