Question: Who played the role of British historian Michael Aris in the film The Lady ?

Context paragraphs:
The Air Legion: The Air Legion is a 1929 aviation silent film about airmail produced and distributed by Film Booking Offices of America(FBO) and was released just as FBO was being turned into RKO Pictures.  In Canada, the film was distributed by the Alliance Communications Corporation.  Aviation historian Michael Paris considered the film as "virtually the last silent film" on the topic of airmail flying.

Ellen Dahrendorf: Ellen Dahrendorf, Lady Dahrendorf (née Ellen Joan Krug) is a British historian and translator of Russian political works, and the former wife (1980–2004) of the late German/British academic and politician Ralf Dahrendorf.

À la conquête de l'air: À la conquête de l'air is a 1901 French silent film directed by Ferdinand Zecca and distributed by Pathé Frères.  Based on contemporary accounts of aviation developments, "À la conquête de l'air" stars Ferdinand Zecca as the pilot of a fantastic flying machine.  Aviation film historian Michael Paris considered the film, the first French aviation film and among the first to feature an aircraft in flight.

Jonathan King (film director): Jonathan King (born 1967) is a film director from New Zealand.  He is the son of historian Michael King and brother of author Rachael King.

Glory Enough for All: Glory Enough for All is a 1988 television movie directed by Eric Till and written by Grahame Woods depicting the discovery and isolation of insulin by Frederick Banting and Charles Herbert Best.  It was the winner of nine 1989 Gemini Awards.  The film stars R. H. Thomson as Banting, and Robert Wisden as Best.  It is based on the books "The Discovery of Insulin" and "Banting: A Biography" by historian Michael Bliss.

Walter Ulbricht: Walter Ernst Paul Ulbricht (30 June 18931 August 1973) was a German Communist politician.  Ulbricht played a leading role in the creation of the Weimar-era Communist Party of Germany (KPD) and later (after spending the years of Nazi rule in exile in France and the Soviet Union) in the early development and establishment of East Germany (the German Democratic Republic).  As the First Secretary of the Socialist Unity Party 1950 to 1971, he was the chief decision maker in East Germany.  From President Wilhelm Pieck's death in 1960, he was also the East German head of state until his own death in 1973.  He followed Stalin's guidelines very closely, and made sure that everyone else in East Germany did so as well.  Historian Michael Beschloss says of Ulbricht: "an alumnus of Stalin's wartime Free Germany Committee, the rigid Ulbricht clearly felt that his best path to power was by turning the zone into a highly militarized Soviet client state."

Alexander Aris: Alexander Aris Myint San Aung (Burmese: မြင့်ဆန်းအောင် , ] ; born 12 April 1973) is a civil rights activist of British and Burmese descent.  Alexander Aris is the elder son of Aung San Suu Kyi and Michael Aris.  He is also a grandson of Aung San, who founded the modern Burmese army and negotiated Burma's independence from the United Kingdom in 1947 and the pioneer of democracy in Myanmar.

Michael Aris: Michael Vaillancourt Aris (27 March 1946 – 27 March 1999) was a British historian who wrote and lectured on Bhutanese, Tibetan and Himalayan culture and history.  He was the husband of Aung San Suu Kyi, the current State Counsellor of Myanmar.

Odilo Globocnik: Odilo Globocnik (21 April 1904 – 31 May 1945) was an Austrian war criminal.  He was a Nazi and later an SS leader.  As associate of Adolf Eichmann, he had a leading role in Operation Reinhard, which saw the murder of over one million mostly Polish Jews during the Holocaust in Nazi extermination camps Majdanek, Treblinka, Sobibor and Belzec.  Historian Michael Allen described him as "the vilest individual in the vilest organization ever known".

The Lady (2011 film): The Lady is a French-British biographical film directed by Luc Besson, starring Michelle Yeoh as Aung San Suu Kyi and David Thewlis as her late husband Michael Aris.  Yeoh called the film "a labour of love" but also confessed it had felt intimidating for her to play the Nobel laureate.

Supporting paragraphs: The Lady (2011 film) Michael Aris
Answer: David Thewlis