The Iron Lady: Alexandra Roach on playing Margaret Thatcher

Welsh actress Alexandra Roach talks about playing a young Margaret Thatcher in the film The Iron Lady.

Roach, from Ammanford in Carmarthenshire, was three when Baroness Thatcher's 11 years as prime minister ended in 1990.

She plays the Iron Lady from a teenager and into her 30s before double Oscar winner Meryl Streep takes over as the future PM enters parliament. She spoke to Paul Martin.