The Epic Tales of Captain Underpants

Nat Faxon

Captain Underpants / Mr. Krupp (voice)

Jay Gragnani

Harold (voice)

Ramone Hamilton

George (voice)

Sean Astin

Narrator (voice)

Peter Hastings

Comic Narrator (voice)

Jorge Diaz

Melvin (voice), Melvin / Melvinborg (voice)

Dayci Brookshire

Jessica / Dressy (voice)

Evan Kishiyama

Steve 'Gooch' Yamaguchi (voice)

Erica Luttrell

Erica (voice), Erica / Plungerina (voice), Grace Wain (voice), Werica Ang (voice)

Laraine Newman

Ms. Ribble (voice), Ms. Ribble / Malison Saurus (voice), Ms. Ribble / Dr. Mentor (voice), Ms. Ribble / Queen Zombee (voice), Dr. Mentor / Ms. Ribble (voice), Female Cop (voice)

David Koechner

Mr. Meaner (voice), Mr. Meaner / Sergeant Boxers (voice), Mr. Meaner / Flabby Flabulous (voice), Dr. Will Boryew (voice), Mr. Meaner / Mr. Neamer / Brainy Blabulous (voice)

Patty Mattson

Miss Anthrope (voice), Miss Anthrope / Chalice Aristocrab (voice), Miss Anthrope / Clogneta (voice)