Before becoming famous for MAGNUM P.I., Tom Selleck, now 78, served as a sergeant in the U.S. Army infantry during the Vietnam War. Initially a business major, he transitioned to acting, facing challenges in the industry. Drafted into the military, he returned to acting after serving from 1967-73. Selleck credits God for guiding his success, emphasizing ethical conduct. The actor remains a proud veteran, supporting the military through public service announcements. His memoir, “You Never Know,” releasing in May 2024, promises an intimate journey, dispelling misconceptions and sharing untold stories of his personal and professional life, including lessons from friendships with icons like Frank Sinatra and James Garner.