The Epic Tales of Captain Underpants

Jorge Diaz
Melvin / Melvinborg (voice) / Mr. Rected (voice) / Ptolemy / Mr. Rected (voice) ...

Dayci Brookshire
Jessica / Dressy (voice) / Scoops Blazer (voice) / Messica (voice)

Sean Astin
Narrator (voice) / Teachertrons (voice) / Charles Cotesworth Pinckney (voice)

Nat Faxon
Captain Underpants / Mr. Krupp (voice) / Pharaoh (voice)

Jay Gragnani
Harold (voice)

Ramone Hamilton
George (voice)

Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice) / Choog (voice)

Erica Luttrell
Erica (voice) / Grace Wain (voice) / Erica / Plungerina (voice) / Werica Ang (vo...

Laraine Newman
Ms. Ribble (voice) / Female Cop (voice) / Dr. Mentor / Ms. Ribble (voice) / Ms. ...

David Koechner
Mr. Meaner (voice) / Dr. Will Boryew (voice) / Mr. Meaner / Mr. Neamer / Brainy ...

Patty Mattson
Miss Anthrope (voice) / Miss Anthrope / Clogneta (voice)

Tress MacNeille
Ms. Hurd (voice) / Ms. Hurd / DJ Drowsy Drawers (voice)

Eric Bauza
Robius (voice) / Rap Talkwell (voice)

Clancy Brown
Mr. Ree (voice) / Mr. Ree / Splotch (voice)

Steve-O
Lane Junkston (voice)

Maggie Wheeler
Ms. Yewh / TP Mummy (voice)

Kevin Michael Richardson
Diddly Saurus / The Schmoozer (voice)

Maurice LaMarche
Tubbadump (voice)

Kari Wahlgren
Mayor Hoppy McChapper (voice)