Template:Multiple issuesTimothy "Tim" McGee (/mæˈɡiː/ ma-GEE or /məˈɡiː/ mə-GEE) is a fictional character from the CBS television series NCIS. He is portrayed by Sean Murray. Timothy McGee is a special agent investigating crime in this police procedural show. He started out as a minor character in the first season, but became one of the main characters of the ensemble cast in the beginning of season two.