Liverpool-born actor Jason Isaacs was the casting director’s ideal choice for imperious screen villains in the early 2000s. Blessed with a steely gaze and stentorian tones, he lent an elegant evil to such baddies as Mel Gibson’s British nemesis in “The Patriot” (2000), the theatrical Lucius Malfoy in three of the “Harry Potter” films, and Captain Hook in “Peter Pan” (2003). He showed more complex sides to his talent in films like “The End of the Affair” (1999) and “Black Hawk Down” (2001), but his finest showcases came in television series like “Brotherhood” (Showtime, 2006- ) and “The State