About The Spooky Tale of Captain Underpants: Hack-a-ween
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
Full Cast of The Spooky Tale of Captain Underpants: Hack-a-ween
Sean Astin
plays Narrator / Mr Gigglenose (voice)
Mindy Sterling
plays Melvin's Mom (voice)
Erica Luttrell
plays Erica / George's Mom (voice)
Kevin Michael Richardson
plays Diddlysaurus / George's Dad (voice)
Clancy Brown
plays Mr. Ree (voice)
Evan Kishiyama
plays Steve "Gooch" Yamaguchi (voice)
David Koechner
plays Mr. Meaner (voice)
Kari Wahlgren
plays Mayor Hoppy McChapper (voice)
Nat Faxon
plays Captain Underpants / Mr. Krupp (voice)