Credited cast, sorted by IMDb STARmeter: | |||
Kevin Hart | ... |
George Beard
(voice)
|
|
Nick Kroll | ... |
Professor Poopypants
(voice)
|
|
Kristen Schaal | ... |
Edith
(voice)
|
|
Ed Helms | ... |
Mr. Krupp /
Captain Underpants
(voice)
|
|
Jordan Peele | ... |
Melvin
(voice)
|
|
Thomas Middleditch | ... |
Harold Hutchins
(voice)
|
|
Lesley Nicol | ... |
Nobel Prize Moderator
(voice)
|
Two mischievous kids hypnotize their mean high school principal and turn him into their comic book creation, the kind-hearted and elastic-banded Captain Underpants.