Cast
Kevin Hart
George (voice)
Thomas Middleditch
Harold (voice)
Ed Helms
Captain Underpants / Mr. Krupp (voice)
Nick Kroll
Professor Poopypants (voice)
Jordan Peele
Melvin (voice)
Kristen Schaal
Edith (voice)
DeeDee Rescher
Ms. Ribble (voice)
Brian Posehn
Mr. Rected (voice)
David Soren
Tommy (voice)
Mel Rodriguez
Mr. Fyde (voice)
Crew
Dav Pilkey
Novel
Theodore Shapiro
Original Music Composer
David Soren
Additional Writing
'Weird Al' Yankovic
Theme Song Performance
Hamish Grieve
Head of Story
Nicholas Stoller
Screenplay
David Soren
Director
Rob Letterman
Executive Producer
Adam Anders
Executive Music Producer
Jacques Desanlis
Lighting Artist
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