Character Ali Average age: 42 years Wikipedia: Ali (link not verified) 2006 ◢ Played by Leighton Meester twice on Television in 'House MD'. 19 Sep 2006:'Informed Consent' 26 Sep 2006:'Lines in the Sand' 2010 ▷ Played by Richard McGonagle once on Film in 'Tom and Jerry Meet Sherlock Holmes'. 16 Aug 2010:'Tom and Jerry Meet Sherlock Holmes'