Josh Groban is heading to TV screens again - he's signed up to star in The Office.

The hit-maker has previously appeared on singing series Glee, and now Groban is to reappear on the small screen as Ed Helms' character Andy's brother in The Office, according to Deadline.com.

Meanwhile, Stephen Collins and Dee Wallace have signed on to play Helms' parents in the show.

Groban has also previously acted in movie Crazy, Stupid, Love, alongside former The Office lead man Steve Carell, and in TV show Ally McBeal.