Ncis New Season 2024 Cast And Crew. A new era is beginning for ncis as the series returns to the small screen with a new cast of actors and characters for 2024's season 21. Jessica knight (10 episodes) brian dietzen.

From the cast to the plot and release date, here’s what you need to know about. With the help of knight’s dad, ncis works to unravel the mystery of a recently used service weapon belonging to a missing agent.