Michael Rosenbaum is an American actor, producer, and director, best known for his role as Lex Luthor in the television series Smallville. Born on July 11, 1972, in Oceanside, California, he began his career in the late 1990s and quickly gained recognition for his talent and charisma. In addition to his work on Smallville, Rosenbaum has appeared in various films and television shows, including Sorority Boys and The Justice League. He is also a voice actor, lending his voice to characters in animated series and video games, further showcasing his versatility in the entertainment industry.