La escalofriante historia del Capitán Calzoncillos: Jale-o-ween

Nat Faxon

Captain Underpants / Mr. Krupp (voice)

Jay Gragnani

Harold (voice)

Ramone Hamilton

George (voice)

Sean Astin

Narrator / Mr Gigglenose (voice)

Dayci Brookshire

Jessica / Dressy (voice)

Clancy Brown

Mr. Ree (voice)

Jorge Diaz

Melvin / Stanley Peet / Melvin's Dad (voice)

Peter Hastings

Comic Narrator (voice)

Evan Kishiyama

Steve 'Gooch' Yamaguchi (voice)

David Koechner

Mr. Meaner (voice)

Erica Luttrell

Erica / George's Mom (voice)

Patty Mattson

Miss Anthrope / Harold's Mom (voice)

Brennan Murray

Bo Hweemuth (voice)

Kevin Michael Richardson

Diddlysaurus / George's Dad (voice)

Mindy Sterling

Melvin's Mom (voice)

Stephen Tobolowsky

Creepy Rattlechains (voice)

Kari Wahlgren

Mayor Hoppy McChapper (voice)

Peter Hastings

Executive Producer

Jared Faber

Music

Mark Banker

Writer

David Wiebe

Executive In Charge Of Production

Kevin Peaty

Director

Dav Pilkey

Novel

Todd Grimes

Supervising Producer

Peter McCown

Line Producer

Fred Kron

Music

Matt Smith

Writer

Seung Woo Cha

Director

Ian Young

Storyboard Artist

Ashley Laidlaw

Line Producer

Ryan Hansen

Storyboard Artist

Andrew Bendik

Storyboard Artist

Derek Moore

Storyboard Artist