And even if they didn't use the original actors, they always have Team Starkid. You know, Darren, Joey, Bonnie, and Jamie 
... Team Starkid? Tell me more, about this 'Team Starkid.' 
Team Starkid is a company that makes musicals. So far, they have four: A Very Potter Musical, Me and My Dick(yes, they mean it THAT way), A Very Potter Sequel, and Starship. They also had a mini web series called Little White Lie. You can watch all of those on YouTube, which i beg you to do. Hope i helped
(Oh, they also have a book called the Bully Book.)
(Oh, they also have a book called the Bully Book.)
AWESOME!