‘BLUE BLOODS’: HOW OLD WAS TOM SELLECK WHEN THE SERIES PREMIERED

Tom Selleck was 65 years old when he started on “Blue Bloods” in 2010. He’s now 78 and still going strong in the 13th season. Despite initially considering a career in sports, he ventured into acting after some encouragement and eventually found fame with roles like Thomas Magnum in “Magnum P.I.” He’s had a diverse career spanning TV and film, including memorable roles in “Three Men and a Baby” and “Friends.”