NCIS boasts a diverse array of guest appearances, ranging from iconic comedians like Bob Newhart and Drew Carey to film stars like Jesse Plemons and Colin Hanks. Even beloved sitcom actors, such as Jaleel White and Danica McKellar, have left their mark on the show. Notable figures like Kunal Nayyar from The Big Bang Theory and Keith Carradine have also ventured into the NCIS universe.
The show has seen a range of performances, from Suits’ Patrick J Adams portraying a murderer to Jon Cryer from Two and a Half Men taking on the role of a Navy doctor. Memorable twists have come from the likes of Millie Bobby Brown from Stranger Things and Sean Astin from Lord of the Rings. Additionally, NCIS has welcomed athletes like Deontay Wilder and Carl Weathers to make surprising guest appearances. From comedy legends to famous athletes, NCIS has featured an intriguing mix of guest stars throughout its various series.