Suggestions by @user_372408

Paul Rudd

as Grandpa Joe in Charlie and the Chocolate Factory (musical)

Elizabeth Banks

as Grandma Josephine in Charlie and the Chocolate Factory (musical)

Kevin Hart

as Mr. Beauregarde in Charlie and the Chocolate Factory (musical)

Ryan Gosling

as Grandpa George in Charlie and the Chocolate Factory (musical)

Chris Pratt

as Jerry in Charlie and the Chocolate Factory (musical)

Jacob Tremblay

as Charlie Bucket in Charlie and the Chocolate Factory (musical)