Plot
Penn Zero is not your average kid - every day he's zapped into another dimension with his friends to save the world.
Cast
| Name | Role |
|---|---|
| Thomas Middleditch | Penn |
| Adam Devine | Boone |
| Tania Gunadi | Sashi |
| Alfred Molina | Rippen |
| Larry Wilmore | Larry |
| Sam Levine | Phyllis |
| Fred Tatasciore | Additional Voices |
| Jess Harnell | Additional Voices |
| Dee Bradley Baker | Additional Voices |
| Gary Cole | Brock Zero |
| Lea Thompson | Vonnie Zero |
| Maria Bamford | Mrs. Monkenfluffer |
| Mary Elizabeth McGlynn | Additional Voices |
| Rosie Perez | Aunt Rose |
| Lenny Venito | Uncle Chuck |
| Michael-Leon Wooley | Additional Voices |
| Maurice LaMarche | Additional Voices |
| Kevin Michael Richardson | Additional Voices |
| Rena Strober | Orchid |
| Lauren Lapkus | Matilda |
| Beau Bridges | Sheriff Scaley Briggs |
| Adam West | Captain Super Captain |
| Sean Astin | Blaze |
| Cree Summer | Additional Voices |
| Lauren Tom | Addional Voices |
| Brandon Scott | Alex |
| James Arnold Taylor | Additional Voices |
| Vartan Nazarian | Fern |
| Olivia Holt | Amber |
| Elizabeth Henstridge | Princess |
| Paul Reubens | Milkman |
| Diana Rigg | Mayor Pink Panda |
| Amanda Young | Additional Voices |
| Jeff Bennett | Eight Ball |
| Kari Wahlgren | Bowling Ball |
| Yvette Nicole Brown | Boat Maria |
| Sonequa Martin-Green | Pirate Maria |
| Garry Marshall | Soda Jerk |
| George Takei | Sashi's Dad |
| Paul Alborough | Mayor Direginald Hindenburg |
| Curtis Armstrong | Super Amazing Bouncy Ball |
| Tress MacNeille | Additional Voices |
| Marc Maron | Piv |
| Jeffrey Ross | Sonny |
| Henry Winkler | Snowman |
| Sigourney Weaver | Lady Starblaster |
| Blake Anderson | Hogarth |
| Hynden Walch | Additional Voices |
| Peter Stormare | Rufus |
| Wanda Sykes | General Shirley B. Awesome |
| Corey Burton | Additional Voices |
| Sean Kenin | Additional voices |
| Bruce Vilanch | Additional Voices |
| Jason Alexander | Coach Wallace |
| John DiMaggio | Hooded Pixie |
| Pete Holmes | Ryan |
| Neil Kaplan | Club Owner |
| John Anderson | Announcer Mike |
| Jeff Gordon | Rodeo Clown Announcer |
| Michael Chandler | Arata |
| Harland Williams | Helper Hue |
| JB Blanc | Captain of the Guard |
| Judith Light | Mrs. Wright |
| Jeffrey Perlmutter | Uncle Beardy |
| Pamela Adlon | Drab Lieutenant |
| John Henson | Announcer Ron |
| Michelle Fairley | Queen Igneous |
| Jane Kaczmarek | Coach Jackie |
| Brad Kane | 'Handsome' Grinkon |
| Bill Nye | Self |
| Roger Craig Smith | Hideo |
| Jennifer Veal | Princess Magma |
| Brian Posehn | Beach Ball Grandpappy |
| Yael Stone | General Bighorn |
| Kitana Turnbull | Additional Voices |
| Reginald VelJohnson | Mr. Flannigan |
| Steve Blum | Snow Monkey Bus |
| Andrew Fitzpatrick | Additional Voices |
| James Hong | Windmill Monster |
| Kimberly Mooney | Additional Voices |
| Mark Hamill | Adam Tom-Kat Badawy |
| Susanne Blakeslee | Additional Voices |
| Grey Griffin | Additional Voices |
| Joe Thomas | Additional Voices |
| Elizabeth Bond | Additional Voices |
| Laura Dickinson | Additional Voices |
| Kenny Loggins | Montage Singer |
| Kate Micucci | Cuteling General |
| Kumail Nanjiani | Cuteling Mayor |
| Chris Parnell | Judge |
| Jessica Rau | Additional Voices |
| Tatiana Tremblay | Backing Vocals |
| Vince Gilligan | Axalon |
| Alex Kingston | Vlurgen |
| Crazy Crying Man | Voice |
| Fiona Shaw | Hedwin |
| Sam Riegel | |
| Rina Hoshino | Singer |