Patrick Stewart, who portrayed Captain Jean-Luc Picard, was 47 when he first took on the role, bringing to life a character defined by intelligence and diplomacy. Now at 84, Stewart remains active in film and theater, embodying the wisdom of his character. Jonathan Frakes, who played the charismatic Commander William Riker, was 35 at the series’ inception. Today, at 72, he continues to engage audiences through acting and directing.