NCIS: Los Angeles star Chris O’Donnell gets a new show with 9-1-1 spin-off
A new 9-1-1 spin-off has its leading man. Chris O’Donnell has joined the 9-1-1: Nashville cast. The former NCIS: Los Angeles star had been taking a break from television following the cancellation of his show. O’Donnell played the mysterious NCIS Special Agent G. Callen. That role kept him busy from 2009 to 2023. NCIS: LA