Captain Underpants: The First Epic Movie - Cast
as George
as Captain Underpants / Principal Krupp
as Professor Poopypants
Thomas Middleditch
as Harold
as Melvin
as Edith
Dee Dee Rescher
as Ms. Ribble
Brian Posehn
as Mr. Rected
Susan Fitzer
as Ms. Dayken
Lynnanne Zager
as George's Mom