The Glee casting carousel has been spinning in a confusing manner for weeks now, but this much we know:

Jenna Ushkowitz and Harry Shum Jr. will definitely play prominent roles on season three. The latter has been promoted to series regular, even.

I congratulated Harry on the honor at Comic-Con last week, while also asking what we can expect from Mike and Tina this fall. Are they seniors? Will we be meeting any family members? Watch below for the answers, and to see me confuse the heck out of them with my greeting:

In other exclusive Glee news, ever wonder what makes Darren Criss a superhero? Wonder no more!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.