cast
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Thomas Middleditch
Penn Zero (voice)
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Tania Gunadi
Sashi Kobayashi (voice)
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Adam Devine
Boone Wiseman (voice)
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Alfred Molina
Rippen (voice)
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Larry Wilmore
Larry (voice)
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Sam Levine
Phyllis (voice)
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Gary Cole
Brock (voice)
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Lea Thompson
Vonnie (voice)
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Lenny Venito
Uncle Chuck (voice)
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Rosie Perez
Aunt Rose (voice)
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Maria Bamford
The President (voice) / Nug (voice) / Mrs. Monkenfluffer (voice) / Land Shark (voice) / Mrs. Monkenfluffer / Matthews (voice) / Matthews (voice)
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Maurice LaMarche
Narrator (voice) / Crispity Cockatoo (voice) / Unicorn Soldiers (voice) / Fredericks (voice) / Troll (voice) / Fredricks (voice)
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Rena Strober
Hotel Reviewer (voice) / Queen (voice) / Orchid (voice) / Orchid / Rootilda (voice)
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Adam West
Captain Super Captain / Professor Evil Professor (voice) / Captain Super Captain (voice)
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Beau Bridges
Sheriff Scaley Briggs (voice)
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Sean Astin
Blaze (voice)
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Dee Bradley Baker
Tony the Elephant (voice) / Referee (voice) / (voice)
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Fred Tatasciore
Mr. Egsgard (voice) / Coach Egsgard (voice) / Grinkon (voice)
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Paul Reubens
The Milkman (voice) / The Butterman (voice)
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Olivia Holt
Amber Briggs (voice)
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Elizabeth Henstridge
Princess Argelbleccht Blunkenthorthph (voice)
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Yvette Nicole Brown
Boat Maria (voice)
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Sonequa Martin-Green
Pirate Maria (voice)
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Diana Rigg
Mayor Pink Panda (voice)
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Garry Marshall
Soda Jerk (voice)
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Wanda Sykes
Shirley B. Awesome (voice)
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Peter Stormare
Rufus (voice)
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Kari Wahlgren
Bowling Ball (voice)
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George Takei
Sylvester Kobayashi (voice)
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Lauren Tom
Tia Kobayashi (voice)
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Kevin Michael Richardson
Dr. Hissy (voice) / Mountain Beast (voice)
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Jess Harnell
Old Man Middleberg (voice) / Vocalist (voice)
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Brandon Scott
Alex (voice)
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Blake Anderson
Hogarth (voice)
- Paul Alborough Mayor Direginald Hindenburg (voice)
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Curtis Armstrong
Super Amazing Bouncy Ball (voice)
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Henry Winkler
The Snowman (voice)
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Jeff Ross
Sonny (voice)
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Marc Maron
Piv (voice)
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Lauren Lapkus
Matilda (voice)
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Michael-Leon Wooley
General (voice)
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Chris Parnell
Judge Blort Clooney (voice)
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Bruce Vilanch
Himself (voice)
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Brian Posehn
Beach Ball Grandpappy (voice)
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Pamela Adlon
Drab Lieutenant (voice)
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Harland Williams
Helper Hue (voice)
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Sigourney Weaver
Lady Starblaster (voice)
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Kate Micucci
Cute-ling General (voice)
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Kumail Nanjiani
Cute-ling Mayor (voice)
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Kenny Loggins
Montage Singer (voice)
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Jeff Gordon
Wacky Bustgutty (voice)
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Jason Alexander
Coach Wallace (voice)
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Jane Kaczmarek
Coach Jackie (voice)
- John K. Anderson Announcer Mike (voice)
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John Henson
Announcer Ron (voice)
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Yael Stone
General Bighorn (voice)
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Bill Nye
Bill Nye (voice)
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John DiMaggio
Hooded Pixie (voice)
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Jeff Bennett
Eight Ball (voice)
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Pete Holmes
Ryan (voice)
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JB Blanc
Captain of the Guard (voice)
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Michelle Fairley
Queen Igneous (voice)
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Jennifer Veal
Princess Magma (voice)
- Jeffrey Perlmutter Uncle Beardy (voice)
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Hynden Walch
Yumi (voice)
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Michael Chandler
Arata (voice)
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Roger Craig Smith
Hideo (voice)
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Steve Blum
Snow Monkey Bus (voice)
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Judith Light
Mrs. Wright (voice)
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Reginald VelJohnson
Flannigan (voice)
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Brad Kane
"Handsome" Grinkon (voice)
- Vartan Nazarian Fern (voice)
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Neil Kaplan
Club Owner (voice)
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Cree Summer
The Merchant (voice)
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Fiona Shaw
Hedwin (voice)
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Vince Gilligan
Axalon (voice)
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Alex Kingston
Vlurgen (voice)
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Mark Hamill
Adam Tom-Kat Badawy (voice)
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James Hong
Windmill Monster (voice)
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Tress MacNeille
General Talon (voice)
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Kitana Turnbull
Additional Voices