08/19/2011 at 10:00 AM EDT
isn't the only big name heading to Dunder Mifflin.
Josh Groban will make an appearance on the upcoming eighth season of The Office
as the brother of Ed Helms's character, a cappella crooner Andy Bernard (no word on whether the Bernard brothers will perform a duet).
Groban, 30, will appear in an episode about Andy's family coming to Scranton for a visit. Their parents, it was previously announced, will be played by No Ordinary Family
's Stephen Collins and E.T.
mom Dee Wallace.
Groban has been honing his acting skills, appearing on the big screen in this summer's Crazy, Stupid, Love
– which also starred departed Office
boss Steve Carell – and making guest appearances on Glee