Several surprising actors have made appearances on NCIS, from comedy legend Bob Newhart to athletes like Deontay Wilder. Drew Carey, known for hosting “The Price is Right,” played a retired marine accused of poisoning military personnel. “Family Matters” star Jaleel White appeared in 2012, while “Breaking Bad” actor Jesse Plemons featured in Season 3. “Big Bang Theory” stars Kunal Nayyar and Keith Carradine also had roles, and “Stranger Things” Millie Bobby Brown played a disturbed character. Sean Astin from “Lord of the Rings” joined as investigator Tyler Elliott. Athletes like Norman Reedus, Deontay Wilder, and Carl Weathers have also made memorable appearances on NCIS.