The 'White Collar' star makes his musical television debut as Blaine's older brother!
will prove that talent -- and devastating good looks -- run in the Anderson family, when he guest stars as Blaine's (Darren Criss
) older brother Cooper on the April 10 spring premiere of Glee
has an exclusive first-look photo of Cooper's visit to McKinley, where he's greeted by Brittany (Heather Morris
) and her "leprechaun" friend Rory (Damian McGinty