LUCIUS MALFOY      The patriarch of the esteemed Malfoy family is now a Governor of Hogwarts, and emerges as a dangerous adversary of both Mr. Weasley and Professor Dumbledore.      JASON ISAACS takes on the role of the Machiavellian father to Draco.      Isaacs is fast becoming one of the most sought after actors of his generation whose recent credits include Ridley Scott's Black Hawk Down, the recently released Jackie Chan film The Tuxedo and Dan Ireland's romantic comedy Passionada. Also due for release in 2002 are John Woo's Windtalkers opposite Nicolas Cage and Mike Figgis' Hotel.      After finishing shooting Harry Potter and the Chamber of Secrets he will travel straight to Australia to star as both Mr. Darling and Captain Hook in the Disney/Sony/Revolution production of Peter Pan to be directed by P.J. Hogan.      He has been working non-stop since appearing as Colonel William Tavington opposite Mel Gibson in The Patriot, a scene stealing performance which garnered him a nomination from the London Film Critic's Circle. He was also seen in drag in Sweet November with Keanu Reeves and Charlize Theron and as a priest in Neil Jordan's End of the Affair. He was Professor Quincy, the 'smartest man on the planet' in box office giant Armageddon, Cow Pat Keegan, an IRA chief, in Divorcing Jack and the slimy Lord Felton opposite Denis Quaid in Dragonheart. In addition he has made three movies with director Paul Anderson; the sci-fi thriller Event Horizon,Soldier with Kurt Russell and the cult film Shopping. The eagle-eyed will spot him in an uncredited cameo in Anderson's recent Resident Evil. Isaacs made his feature film debut with Jeff Goldblum and Emma Thompson in The Tall Guy.      On television he starred as the sweet-natured Chas for two seasons in the hit series Capital City, in the headline grabbing Civvies from Lynda La Plante, as a real life disgraced footballer in Paul Greengrass' The Fix and as, variously, a gay crime lord, identical twins - one evil, one good, an amnesiac and two separate drug dealers called Des. For CBS he was in the mini-series The Last Don, as another priest, this time testing the limits of his vows.      On stage he created the role of Louis in the critically acclaimed National Theatre production of the Pulitzer Prize winning Angels in America - parts 1 & 2, and has appeared at the Royal Court in Gary Mitchell's The Force of Change and as Mussolini in Craig Raine's 1953 at the Almeida. He has also performed at the King's Head and five times at the Edinburgh festival.      Born in Liverpool, England, Isaacs attended Bristol University where, while studying law, he directed and/or starred in over twenty plays. On graduating he went straight to London's prestigious Central School of Speech and Drama for another three years and has been working ever since to clear his debts.