Can you believe the first episode of Magnum, P.I. aired nearly 40 years ago? We certainly can't!
Click through the gallery above to see what Tom Selleck, John Hillerman, Roger E. Mosley and Larry Manetti are up to today!
Since his iconic lead role on Magnum, P.I., Tom, 72, has had an extremely successful acting career starring in shows The Closer, Friends, Las Vegas, and Blue Bloods.