Isaacs appeared in '' Dragonheart '' ( 1996 ) , '' Event Horizon '' ( 1997 ) , '' Black Hawk Down '' ( 2001 ) , Jackie Chan 's '' The Tuxedo '' ( 2002 ) and as George Darling and Captain Hook in P. J. Hogan 's adaptation of '' Peter Pan '' ( 2003 ) and as the voice of Admiral Zhao in the animated Nickelodeon series '' Avatar : The Last Airbender '' ( 2005 ) . He played the leading role of Sir Mark Brydon , the British Ambassador to the United States in the BBC Four miniseries '' The State Within '' ( 2006 ) , for which he was nominated for the Best Performance by an Actor in a Mini-Series or a Motion Picture Made for Television for the 65th Golden Globe Awards . On British television , he also portrayed actor Harry H. Corbett in '' The Curse of Steptoe '' , part of " a season of new one-off dramas for BBC Four revealing the stories behind some of Britain 's best loved television entertainers , and their achievements , " first broadcast in March 2008 . On American television , Isaacs appeared in three episodes of '' The West Wing '' in 2004 , prior to developing his most notable TV serial role , as Michael Caffee in '' Brotherhood '' ( 2006 – 08 )
65th Golden Globe Awards
65th Golden Globe Awards
Jason Isaacs