After over two decades on NCIS, Brian Dietzen has officially exited the hit series—leaving fans stunned and speculation swirling. Known for his role as Dr. Jimmy Palmer, Dietzen has been a steady presence and fan favorite. But according to insiders, his departure wasn’t part of a planned storyline—it was the result of mounting off-camera tensions with several longtime cast members.

While details remain tightly guarded, sources close to the production reveal that behind-the-scenes disagreements and personality clashes began to surface during the most recent season. What started as minor creative disputes reportedly escalated into heated exchanges, leaving Dietzen feeling increasingly isolated and frustrated on set.

The final decision came quickly. Producers were reportedly “blindsided” by his sudden decision to walk away mid-season, forcing writers to scramble for a way to write his character out. Fans have already taken to social media, voicing their heartbreak and demanding answers about what really happened behind the scenes.

As of now, neither CBS nor Dietzen has released a detailed statement, but the actor’s silence speaks volumes. Whether this marks a permanent exit or leaves the door open for a future return remains to be seen. Press follow button to see more videos like this!