NCIS Season 24 Cast Changes: Top 5 Things You Need to Know
- Sean Murray is officially stepping back from his role as Timothy McGee after 21 seasons, reducing his screen time to a recurring guest appearance to pursue other projects.
- Katrina Law returns as Jessica Knight, but sources confirm her character will take a supervisory role at a new field office, limiting her presence in the main squad room.
- A major new face is joining the team: a former CIA analyst played by actor John Clarence Stewart (Zoey's Extraordinary Playlist) as a permanent junior agent replacing some of the departing senior energy.
- The show is adding a new villain arc involving a serial hacker from the tech world, which directly ties the cast changes to a plot twist that removes one legacy character from active duty.
- Diona Reasonover’s Kasie Hines will be the primary laboratory anchor, with her character getting a promotion to assistant director of forensic science, ensuring the core team feels fresh yet familiar.