This season solidified Brian Dietzen (Jimmy Palmer) as a series regular after nine years on the show. Every Major NCIS Guest Star Ever - TV Guide
Critics and fans alike praised Cote de Pablo for her performance in the "Shiva" arc, citing it as some of the series' best acting. NCIS - Season 10
Season Finale: The core trio resigns; Gibbs is seen aiming a sniper rifle at Fornell. This season solidified Brian Dietzen (Jimmy Palmer) as