Complex sentence: Harrow is known for playing Nancy Astor, the first woman to take her seat in the House of Commons, in the BBC drama "Nancy Astor" of 1982; it aired in the United States in the PBS series "Masterpiece Theatre".
Split into simpler sentences: Harrow is known for playing Nancy Astor, the first woman to take her seat in the House of Commons, in the BBC drama "Nancy Astor" of 1982. It aired in the United States in the PBS series "Masterpiece Theatre".