Trem Infinito

Ashley Johnson

Mirror Tulip "MT" (voice) / Tulip Olsen (voice)

Isabella Abiera

Hazel (voice)

Kirby Howell-Baptiste

Grace (voice)

Kyle McCarley

Simon (voice)

Reagan Gomez-Preston

Mikayla (voice)

Jeremy Crutchley

Glad One (voice)

Robbie Daymond

Jesse (voice)

Audrey Wasilewski

Megan Olsen (voice)

Owen Dennis

Sad-One (voice)

Ernie Hudson

Atticus (voice)

Kate Mulgrew

The Cat (voice)

Ben Mendelsohn

Agent Mace (voice)

Bradley Whitford

Agent Sieve (voice)

Dee Bradley Baker

Ghoms (voice) / Monster Atticus (voice)

Diane Delano

Tuba (voice)

Rhys Darby

Randall / Balloon Randall (voice)

Keith Ferguson

Comedy Mask (voice) / Goblin / Tusk Creature / Announcer Tannuki (voice) / Wilbur Gillicutty / Seth Trundleshank / Boy Quadruplets (voice)

Justin Michael

Friend (voice) / Kevin / Soldier Turtle (voice) / Kevin / Turtle Guard (voice)

Justin Felbinger

Nate (voice)

Lindsay Katai

Little Badger Boy / Badger Mother (voice) / Nancy (voice)

Mark Fite

Andy Olsen (voice) / Andy Olsen / Harry The Bike Guy (voice)

Matthew Rhys

Aloysius (voice) / Alrick (voice)

Lena Headey

Amelia / Teacher (voice) / The Conductor / Amelia (voice)

Jenna Davis

Lucy / Apex Child 3 / Apex Girl (voice) / Lucy / Kevin Jr. / Lindsay (voice)

Grey DeLisle

Lunch Lady / Tape Merchant / Seedy Merchant (voice)

Laraine Newman

Marietta Gillicutty / Maise Trundleshank (voice)

Kari Wahlgren

Sinesta Gillicutty / Bree Trundleshank / Girl Quadruplets (voice)

Rick Zieff

Ithmush Trundleshank / Nathaniel Trundleshank / Silas Trundleshank (voice)

Rick Zieff

Ithmush Trundleshank / Nathaniel Trundleshank / Silas Trundleshank (voice)

Wayne Knight

Marcel (voice)

Scott Menville

Troy / Bully 1 (voice)

Bill Corbett

Perry the Parasite (voice)

BeBe Zahara Benet

Sashay (voice)

Naomi Hansen

5 Year Old Tulip (voice)

Lily Sanfelippo

6 Year Old Tulip / 8 Year Old Tulip (voice)

Ron Funches

Khaki Bottoms (voice)

Antonio Raul Garcia

Apex Child / Apex Child 2 (voice)

Alfred Molina

Chandelier (voice)