VIDEO: Sneak Peek - Norah O'Donnell Guests on Tonight's BLUE BLOODS

On tonight's episode of CBS's Blue Bloods titled 'The City That Never Sleeps,' when a famous movie star, Russell Berke, who shadowed Danny for research on his next role, is stabbed, Danny goes to his aid, but must keep the crime on the down-low due to Russell's celebrity status.

The episode airs tonight, Friday, Oct. 4 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

CBS This Morning anchor Norah O'Donnell guest stars as herself. Marc Blucas guest stars as Russell Berke, the movie star, and Ali Wentworth guest stars as a disgruntled neighbor. Get a sneak peek below!