On screen
Cast
62 credited performers
Ashly Burch
Molly McGee (voice)
Dana Snyder
Scratch (voice)
Jordan Klepper
Pete McGee (voice)
Sumalee Montano
Sharon McGee (voice)
Michaela Dietz
Darryl McGee (voice)
Jules Medcraft
Andrea Davenport (voice)
Lara Jill Miller
Libby Stein-Torres (voice)
Eric Edelstein
Geoff (voice)
John DiMaggio
Sir Alister / Heidi Hairy Legs (voice)
Grey DeLisle
Joanie Pataky (voice)
Alan Lee
Ollie Chen (voice)
Greg Baldwin
Bartholomew (voice)
Kari Wahlgren
Grimbella (voice)
Patton Oswalt
Mayor Brunson (voice)
Jenifer Lewis
Patty (voice)
Eugene Byrd
Principal O'Connor / The Fizz Wizz (voice)
Leonard Wu
Ruben Chen (voice)
Sue Ann Pien
June Chen (voice)
Thomas Lennon
Mr. Davenport (voice)
Trevor Devall
Weird Larry / City Hall Man / Robot / Robot Dragon (voice)
Danny Trejo
Bobby Daniels (voice)
Stephanie Sheh
Esther (voice)
Vincent Rodriguez III
Jeff (voice)
Baraka May
Abigail / Jenny (voice)
Liza Koshy
Jinx (voice)
Eden Riegel
Additional Voices
Fred Tatasciore
Hidalgo (voice)
Jessica Keenan Wynn
Mrs. Davenport (voice)
Aparna Nancherla
Sheela (voice)
Secunda Wood
Ghost Doctor (voice)
Julia Jones
Miss Lightfoot (voice)
Jessica DiCicco
Mrry Brunson / Shelly Brunson (voice)
Diedrich Bader
Mr. Bates (voice)
Zeno Robinson
West (voice)
Kimberly Brooks
Aida (voice)
Andrew Phung
Mr. Pham / Wayne (voice)
Jeff Bennett
Elbert / Ellis (voice)
Jane Lynch
Ms. Roop (voice)
Pamela Adlon
Ms. Stein-Torres (voice)
Rob Cantor
Additional Voices (voice)
W. Earl Brown
Lord Doom (voice)
Sean Giambrone
Reggie (voice)
Natasha Rothwell
Candace Green (voice)
Terry Fator
Additional Voices (voice)
Greta Gerwig
Self (voice)
Kelsey Grammer
Abraham Lincoln (voice)
Alanna Ubach
Sonia (voice)
Marieve Herington
Jilly McGee (voice)
D'Arcy Carden
Pango (voice)
Kimberly J. Brown
Blaire (voice)
Sura Siu
Emmie (voice)
Quincy Surasmith
Uncle David (voice)
Jim Rash
JR (voice)
Carlos Alazraqui
Libby's Dad (voice)
Tom Kenny
Kenny Star (voice)
Tony Hale
Calvin Redtop (voice)
Joshua Estrada
Sam (voice)
Erica Luttrell
Pam (voice)
Lennon Parham
Miss Fiamma (voice)
Yvette Nicole Brown
Dianne (voice)
Paul F. Tompkins
Ernie (voice)
Mela Lee
Linda (voice)