Mark Harmon and Rocky Carroll, known for their roles as Leroy Jethro Gibbs and Leon Vance on NCIS, have a history that extends beyond the long-running series. Both actors first appeared together on Chicago Hope before becoming fixtures in the NCIS franchise. Harmon, who originated as Gibbs on JAG, continues to play a pivotal role in the upcoming NCIS spinoff, which he will also executive produce. Meanwhile, Carroll remains a central figure as NCIS Director Vance in the main series, returning for its 22nd season after key developments in the Season 21 finale. Their enduring presence underscores their integral roles in the NCIS universe and their longstanding professional relationship.
The Leroy Jethro Gibbs & Director Leon Vance Actors Go Way Back (Yes, Further Than NCIS)
