The Iron Lady (film) in the House of Commons, Costume Design: Pearls and Power Suits, Denis: The Man Behind the Woman". The Iron Lady (film) The Iron Lady is a 2011 British-French biographical drama film based on the life and career of Margaret Thatcher (1925–2013), a British stateswoman and politician who was the first ever female and longest-serving Prime Minister of the United Kingdom of the 20th century. The film was directed by Phyllida Lloyd. Thatcher is portrayed primarily by Meryl Streep, and, in her formative and early political years, by Alexandra Roach. Thatcher's husband, Denis Thatcher (1915–2003), is portrayed by Jim Broadbent, and
Records of Prime Ministers of the United Kingdom March 2036 (his 93rd birthday), he will surpass Callaghan's record and become the longest-lived Prime Minister. The shortest-lived Prime Minister was the Duke of Devonshire, who was born on 8 May 1720 and died on 2 October 1764 at the age of 44 years and 147 days. The Prime Minister who lived the longest after leaving office for the final time was the Duke of Grafton, who left office on 28 January 1770 and died on 14 March 1811, a total of 41 years and 45 days. In recent years, the Prime Minister who lived the longest after leaving office