Jacob Tremblay

Character: Elmer Elevator (voice)

Golshifteh Farahani

Character: Dela Elevator (voice)

Gaten Matarazzo

Character: Boris the Dragon (voice)

Dianne Wiest

Character: Iris the Rhinoceros (voice)

Rita Moreno

Character: Mrs. McClaren (voice)

Chris O'Dowd

Character: Kwan the Macaque (voice)

Judy Greer

Character: Soda the Whale (voice)

Alan Cumming

Character: Cornelius the Crocodile (voice)

Yara Shahidi

Character: Callie (voice)

Jackie Earle Haley

Character: Tamir the Tarsier (voice)

Mary Kay Place

Character: Narrator (voice)

Leighton Meester

Character: Sasha (voice)

Spence Moore II

Character: George (voice)

Adam Brody

Character: Bob (voice)

Lo Mutuc

Character: Magda (voice)

Jack S. A. Smith

Character: Eugene (voice)

Maggie Lincoln

Character: Gertie (voice)

Whoopi Goldberg

Character: Cat (voice)

Ian McShane

Character: Saiwa (voice)

Debi Derryberry

Character: Additional voices (voice)

Skip Stellrecht

Character: Additional voices (voice)

Hope Levy

Character: Additional Voices (voice)

Terence Matthews II

Character: Additional voices (voice)

Annabel Lew

Character: Additional voices (voice)

Andrew Morgado

Character: Additional voices (voice)

Jim Pirri

Character: Additional voices (voice)

Jon Olson

Character: Additional voices (voice)

Cat Ring

Character: Additional voices (voice)

Fred Tatasciore

Character: Additional voices (voice)

Michelle Ruff

Character: Additional voices (voice)

Georgia Simon

Character: Additional voices (voice)

Eric Tiede

Character: Additional voices (voice)

Frank Todaro

Character: Additional voices (voice)

Kelly Stables

Character: Additional voices (voice)

Nora Twomey

Character: Additional voices (voice)