To superhero fans, Chris O’Donnell is no doubt best known as Dick Grayson/Robin in Joel Schumacher’s Batman Forever and its pun-filled sequel. But for network TV fanatics, the actor will always be NCIS: Los Angeles ’ Special Agent Grisha Callen (even if it took forever to learn what his G.

Nashville has reportedly found its star. Chris O'Donnell is joining the 9-1-1 universe and was announced as one of the new spinoff series' cast members, according to Entertainment Weekly, Variety and The Hollywood Reporter.

Chris O’Donnell, who starred for 14 seasons as G. Callen on NCIS: Los Angeles, is moving to Music City for his next leading role on the Ryan Murphy/ABC spinoff, 9-1-1: Nashville, Deadline reports.