Dav Pilkey

Department: Writing
Job: Novel

Ashley Laidlaw

Department: Production
Job: Line Producer

Peter Hastings

Department: Production
Job: Executive Producer

Todd Grimes

Department: Production
Job: Supervising Producer

Jared Faber

Department: Sound
Job: Music

Fred Kron

Department: Sound
Job: Music

Nat Faxon

Captain Underpants / Mr. Krupp (voice)

Jay Gragnani

Harold (voice)

Ramone Hamilton

George (voice)

Sean Astin

Narrator (voice)

Peter Hastings

Comic Narrator (voice)