Full cast of Penn Zero: Part-Time Hero

Thomas Middleditch

Penn Zero (voice)

61 episodes

Tania Gunadi

Sashi Kobayashi (voice)

61 episodes

Adam Devine

Boone Wiseman (voice)

61 episodes

Alfred Molina

Rippen (voice)

61 episodes

Larry Wilmore

Larry (voice)

61 episodes

Sam Levine

Phyllis (voice)

61 episodes

Gary Cole

Brock (voice)

61 episodes

Lea Thompson

Vonnie (voice)

61 episodes

Lenny Venito

Uncle Chuck (voice)

61 episodes

Rosie Perez

Aunt Rose (voice)

61 episodes

Maria Bamford

The President (voice) / Nug (voice) / Mrs. Monkenfluffer (voice) / Land Shark (voice) / Matthews (voice) / Mrs. Monkenfluffer / Matthews (voice)

10 episodes

Maurice LaMarche

Fredricks (voice) / Troll (voice) / Fredericks (voice) / Crispity Cockatoo (voice) / Narrator (voice) / Unicorn Soldiers (voice)

6 episodes

Rena Strober

Orchid (voice) / Orchid / Rootilda (voice) / Queen (voice) / Hotel Reviewer (voice)

4 episodes

Adam West

Captain Super Captain (voice) / Captain Super Captain / Professor Evil Professor (voice)

4 episodes

Beau Bridges

Sheriff Scaley Briggs (voice)

4 episodes

Sean Astin

Blaze (voice)

4 episodes

Dee Bradley Baker

Referee (voice) / (voice) / Tony the Elephant (voice)

3 episodes

Fred Tatasciore

Coach Egsgard (voice) / Grinkon (voice) / Mr. Egsgard (voice)

3 episodes

Paul Reubens

The Milkman (voice) / The Butterman (voice)

3 episodes

Olivia Holt

Amber Briggs (voice)

3 episodes

Elizabeth Henstridge

Princess Argelbleccht Blunkenthorthph (voice)

3 episodes

Yvette Nicole Brown

Boat Maria (voice)

3 episodes

Sonequa Martin-Green

Pirate Maria (voice)

3 episodes

Diana Rigg

Mayor Pink Panda (voice)

3 episodes

Garry Marshall

Soda Jerk (voice)

2 episodes

Wanda Sykes

Shirley B. Awesome (voice)

2 episodes

Peter Stormare

Rufus (voice)

2 episodes

Kari Wahlgren

Bowling Ball (voice)

2 episodes

George Takei

Sylvester Kobayashi (voice)

2 episodes

Lauren Tom

Tia Kobayashi (voice)

2 episodes

Kevin Michael Richardson

Dr. Hissy (voice) / Mountain Beast (voice)

2 episodes

Jess Harnell

Old Man Middleberg (voice) / Vocalist (voice)

2 episodes

Brandon Scott

Alex (voice)

2 episodes

Blake Anderson

Hogarth (voice)

2 episodes

Paul Alborough

Mayor Direginald Hindenburg (voice)

2 episodes

Curtis Armstrong

Super Amazing Bouncy Ball (voice)

2 episodes

Henry Winkler

The Snowman (voice)

2 episodes

Jeff Ross

Sonny (voice)

2 episodes

Marc Maron

Piv (voice)

2 episodes

Lauren Lapkus

Matilda (voice)

2 episodes

Michael-Leon Wooley

General (voice)

1 episode

Chris Parnell

Judge Blort Clooney (voice)

1 episode

Bruce Vilanch

Himself (voice)

1 episode

Brian Posehn

Beach Ball Grandpappy (voice)

1 episode

Pamela Adlon

Drab Lieutenant (voice)

1 episode

Harland Williams

Helper Hue (voice)

1 episode

Sigourney Weaver

Lady Starblaster (voice)

1 episode

Kate Micucci

Cute-ling General (voice)

1 episode

Kumail Nanjiani

Cute-ling Mayor (voice)

1 episode

Kenny Loggins

Montage Singer (voice)

1 episode

Jeff Gordon

Wacky Bustgutty (voice)

1 episode

Jason Alexander

Coach Wallace (voice)

1 episode

Jane Kaczmarek

Coach Jackie (voice)

1 episode

John K. Anderson

Announcer Mike (voice)

1 episode

John Henson

Announcer Ron (voice)

1 episode

Yael Stone

General Bighorn (voice)

1 episode

Bill Nye

Bill Nye (voice)

1 episode

John DiMaggio

Hooded Pixie (voice)

1 episode

Jeff Bennett

Eight Ball (voice)

1 episode

Pete Holmes

Ryan (voice)

1 episode

JB Blanc

Captain of the Guard (voice)

1 episode

Michelle Fairley

Queen Igneous (voice)

1 episode

Jennifer Veal

Princess Magma (voice)

1 episode

Jeffrey Perlmutter

Uncle Beardy (voice)

1 episode

Hynden Walch

Yumi (voice)

1 episode

Michael Chandler

Arata (voice)

1 episode

Roger Craig Smith

Hideo (voice)

1 episode

Steve Blum

Snow Monkey Bus (voice)

1 episode

Judith Light

Mrs. Wright (voice)

1 episode

Reginald VelJohnson

Flannigan (voice)

1 episode

Brad Kane

"Handsome" Grinkon (voice)

1 episode

Vartan Nazarian

Fern (voice)

1 episode

Neil Kaplan

Club Owner (voice)

1 episode

Cree Summer

The Merchant (voice)

1 episode

Fiona Shaw

Hedwin (voice)

1 episode

Vince Gilligan

Axalon (voice)

1 episode

Alex Kingston

Vlurgen (voice)

1 episode

Mark Hamill

Adam Tom-Kat Badawy (voice)

1 episode

James Hong

Windmill Monster (voice)

1 episode

Tress MacNeille

General Talon (voice)

1 episode

Kitana Turnbull

Additional Voices

1 episode