as a planet-saving scientist so that he could accommodate his commitment to Divorcing Jack (1998), a comedy thriller he was making with fellow Harry Potter alumnus David Thewlis. After portraying a priest opposite Julianne Moore and Ralph Fiennes in Neil Jordan's acclaimed adaptation of Graham Greene's The End of the Affair, Jason got his biggest international break to date when he was picked to portray the villain, Colonel William Tavington, in Roland Emmerich's Revolutionary War epic ...