Roger Charles Carmel was an American actor. He originated several roles on Broadway, played scores of guest roles in television series, was a lead in the sitcom The Mothers-in-Law and appeared in motion pictures. He is most famous for his two appearances as the conniving Harry Mudd in Star Trek.

The Mothers-in-Law is an American situation comedy featuring Eve Arden and Kaye Ballard as two women who were friends and next-door neighbors until their children's elopement made them in-laws. The show aired on NBC television from September 1967 to April 1969. Executive produced by Desi Arnaz, the series was created by Bob Carroll, Jr., and Madelyn Davis.