Cast and credits of Captain Underpants: Mega Blissmas

Nat Faxon
Captain Underpants / Mr. Krupp (voice)

Jay Gragnani
Harold (voice)

Ramone Hamilton
George (voice)

Sean Astin
Narrator (voice)

Jim Cummings
Santa (voice)

Jorge Diaz
Melvin / Stanley Peet (voice)

Peter Hastings
Comic Narrator (voice)

Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice)

David Koechner
Mr. Meaner (voice)

Erica Luttrell
Erica / George's Mom (voice)

Brennan Murray
Bo Hweemuth (voice)

Nolan North
Yule Tide / Lee Dingman / Movie Harold / Movie Santa (voice)

Kevin Michael Richardson
George's Dad / Movie George (voice)