Stuart Charno is an American actor. He has been a stand-up comic and has starred in film and on television. His first role was in the 1981 horror film Friday the 13th Part 2. Other notable appearances of his include the 1985 comedy film Just One of the Guys (as Harold "Reptile" Sherpico) and the 1986 film Modern Girls, in which he appeared with Just One of the Guys co-star Clayton Rohner. Charno has made guest appearances on various television shows including M*A*S*H, The X-Files, Chicago Hope, Team Knight Rider, and Profiler. He also received story credits on three episodes of Star Trek: The Next Generation ("The Wounded", "New Ground" and "Ethics").