<Li> Thomas Middleditch as Harold Hutchins , a fourth - grade student . He is George 's best friend and illustrates the comics he and George make . </Li>
<Li> Thomas Middleditch as Harold Hutchins , a fourth - grade student . He is George 's best friend and illustrates the comics he and George make . </Li>
who voices harold in the captain underpants movie
who voices harold in the captain underpants movie
Thomas Middleditch
Thomas Middleditch