Hollywood has lost one of its most legendary actors. Robert Duvall — a towering presence in film for more than seven decades — has passed away at the age of 95. And while many will remember him for The Godfather, Apocalypse Now, and Tender Mercies, Star Wars fans have a unique reason to reflect on his legacy: Duvall was George Lucas’ very first leading man. Before lightsabers, before the Death Star, and long before a galaxy far, far away took over pop culture, there was THX 1138. George Lucas’ First Leading Man Released in 1971, THX 1138 was George Lucas’ first full-length feature film and a bold, experimental entry into science fiction cinema. At its center was Robert Duvall, who played the film’s titular character — a worker in a dystopian future society stripped of identity, emotion, and freedom. The film wasn’t a mainstream blockbuster, but it became a cult…