'NCIS: Origins' Season 3 Cast Shakeup: Mark Harmon Returns, Major Figure Exits

CBS NCIS: Origins is finally returning with season three tonight (October 6) at 10 p.m. ET! The series will air alongside the original NCIS series, as well as the new show NCIS: New York. The premiere episode is titled "Don't You Forget About Me." We're recapping which stars will definitely be returning, and who confirmed they won't be back. A major fan favorite in the NCIS franchise is also returning! So, who is returning for season three and who is exiting? Austin Stowell as Leroy Jethro Gibbs – Confirmed to Return! Austin Stowell will of course continue portraying the young . . .