The Spooky Tale of Captain Underpants Hack-a-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)

Mark Banker

Writer

Seung Woo Cha

Director

Kevin Peaty

Director

Matt Smith

Writer

Peter Hastings

Executive Producer