No show can beat NCIS’ track record for iconic guest stars.
While it’s the regular cast that forms the heart of NCIS, the magic of one-episode characters played by beloved celebrities adds a unique charm to the series. Over its long run, NCIS has featured a host of famous actors, hosts, and even political figures. Here are eight of the biggest names who have joined the NCIS family over the years and the roles they played:
### 1. Troian Bellisario
Best known for her portrayal of Spencer Hastings in Pretty Little Liars, Troian Bellisario appeared in two episodes of NCIS as Sarah McGee, Agent McGee’s sister. Her appearance on the show before her big break is easy to explain, as Troian is the daughter of Donald P. Bellisario, the mastermind behind both JAG and NCIS.
### 2. Zac Efron
Before he became a Hollywood heartthrob, Zac Efron guest-starred on NCIS as a young boy named Danny who becomes embroiled in a case involving his marine father.
### 3. Jamie Lee Curtis
Jamie Lee Curtis brought her star power to NCIS as Dr. Samantha Ryan, a psychologist with the Department of Defense. Her recurring role involved a complex relationship with Gibbs, adding depth and intrigue to the series.
### 4. Misha Collins
Known for his role in Supernatural, Misha Collins appeared in an early episode of NCIS as Justin Farris, a young officer who becomes a suspect in a murder investigation.
### 5. Glen Powell
Before starring in Top Gun: Maverick, Glen Powell made an appearance on NCIS as a charismatic Navy officer, bringing his charm and acting chops to the procedural drama.
### 6. Millie Bobby Brown
Before her breakout role in Stranger Things, Millie Bobby Brown guest-starred on NCIS as Rachel Barnes, a young girl caught in a hostage situation that showcased her early talent.
### 7. Bob Newhart
Comedy legend Bob Newhart appeared in a memorable episode of NCIS as Dr. Walter Magnus, a retired medical examiner who comes out of retirement to assist the team with a perplexing case.
### 8. Michelle Obama
The former First Lady made a special guest appearance on NCIS in an episode focused on the Joining Forces initiative, supporting military families and veterans. Her appearance added a powerful and inspirational touch to the show.
These guest stars have each left their mark on NCIS, adding to the rich tapestry of the series and delighting fans with their performances.