Kevin Hart George Beard (voice)
Jordan Peele Melvin (voice)
Kristen Schaal Edith (voice)
Ed Helms Mr. Krupp / Captain Underpants (voice)
Nick Kroll Professor Poopypants (voice)
James Ryan Mime (voice), Thanks
Sugar Lyn Beard Goodie Two-Shoes Girl (voice)
Lesley Nicol Nobel Moderator (voice)
Mette Tange Animation
Walt Dohrn Thanks
Chris Miller Nobel Audience Member (voice)
Mark Swift Producer
Thomas Middleditch Harold Hutchins (voice)
James Beshears Executive In Charge Of Post Production
Conrad Vernon Thanks
Jeffrey Katzenberg Thanks
Matthew Landon Editor
Brian Posehn Mr. Rected (voice)
Ashley-Martin Dunn VFX Artist
David Soren Tommy (voice), Additional Writing, Director
Leslie David Baker Officer McPiggly (voice)
Dav Pilkey Novel, Executive Producer
Lynnanne Zager George's Mom (voice)
Derek Drymon Storyboard Artist
Rob Letterman Executive Producer
Catherine Harper Foley
Tom McGrath Thanks
Nate Wragg Production Design
Mel Rodriguez Mr. Fyde (voice)
Brian Hopkins Associate Editor
Grant Wilson Animation
Mike Mitchell Thanks
Jeanne McCarthy Casting
DeeDee Rescher Ms. Ribble (voice)
Nicholas Stoller Screenplay
Sharon Bridgeman Additional Storyboarding
Thomas S. Drescher Music Editor
Ian Allard Lighting Artist
Christi Soper Hilt Casting
Joe Pitt Additional Storyboarding
Michael McCullers Thanks
'Weird Al' Yankovic Theme Song Performance
Sean Bishop Storyboard Artist
Mollie Gamo Casting Associate
Joanna Lynne Smith Production Coordinator
Jeff Sawyer Sound Effects Editor
Rune Brandt Bennicke Character Designer
Randy Kerber Orchestrator
Michael Babcock Sound Re-Recording Mixer, Sound Designer, Supervising Sound Editor
Chad Hammes Thanks
Colin Jack Storyboard Artist
Kevin Harkey Additional Storyboarding
Louie del Carmen Storyboard Artist
Brandon Taylor Digital Compositors
Jean-François Barthélémy Lead Animator
Roy Latham ADR & Dubbing
Theodore Shapiro Original Music Composer
Steve Mair Musician
Damon O'Beirne Head of Layout, Cinematography
Steve Jamerson Sound Engineer
James Thatcher Musician
Gregg Taylor Thanks
Sheri Galloway Assistant Editor
Anthony Fung VFX Artist
Mireille Soria Producer
Hamish Grieve Head of Story
Tighe Sheldon ADR & Dubbing
Perry Maple Visual Development
Ian Abando Additional Storyboarding
Megan Nicole Dong Additional Storyboarding
William J. Caparella Additional Editing
Mark Graham Conductor