Matthew Goode born 3 April 1978 is an English actor He made his screen debut in 2002 with ABCs TV film feature Confessions of an Ugly Stepsister His breakthrough role was in the romantic comedy Chasing Liberty 2004 for which he received a nomination at Teen Choice Awards for Choice Breakout Movie Star Male He then appeared in a string of supporting roles in films like Woody Allens Match Point 2005 the GermanBritish romantic comedy Imagine Me and You 2006 and the period drama Copying Beethoven 2006 He won praise for his performance as Charles Ryder in Julian Jarrolds adaptation of Evelyn Waughs Brideshead Revisited 2008 and as Ozymandias in the American neonoir superhero film Watchmen 2009 based on the comics by Alan Moore and Dave Gibbons He then starred in romantic comedy Leap Year 2010 and Australian drama Burning Man 2011 the latter earning him a nomination for Best Actor at the Film Critics Circle of Australia Awards Other notable film roles include The Lookout 2007 A Single Man 2009 Cemetery Junction 2010 Stoker 2013 Belle 2013 The Imitation Game 2014 and Selfless 2015 As well as appearing in films Goode has appeared in numerous television shows His most notable television roles include Henry Talbot in the final season of historical drama Downton Abbey and Finley Finn Polmar in the CBS legal drama The Good Wife He also had a lead role in the critically acclaimed British miniserial Dancing on the Edge as music journalist Stanley Mitchell In 2017 Goode portrayed Antony ArmstrongJones 1st Earl of Snowdon in the Netflix biographical drama series The Crown for which he received a Primetime Emmy Award nomination for Outstanding Guest Actor in a Drama Series As of 2018 he stars in Sky Ones fantasyromance series A Discovery of Witches as Professor Matthew Clairmont