Robert Taylor is an Australian actor best known for his roles in television and film. He gained significant recognition for his portrayal of Detective Inspector John "J" McLennan in the popular series The Mentalist. Taylor has also appeared in various Australian films and television shows, showcasing his versatility as an actor. In addition to his work on The Mentalist, Robert Taylor starred in the series Longmire, where he played the lead role of Sheriff Walt Longmire. His performances have earned him a dedicated fan base and critical acclaim, solidifying his status in the entertainment industry.