Alexandra Roach (born 1987) is a Welsh actress. She is a fluent Welsh-speaker and appeared in long-running television soap Pobol Y Cwm in her early teens, winning Best Juvenile Actor in a Soap at the Children in Entertainment Awards.[1] After leaving the show in 2005, Roach spent time with the National Youth Theatre of Wales before going on to the Royal Academy of Dramatic Art, graduating with a B.A. in acting in 2010. A number of high profile roles followed, including Sasha in Being Human, Beth Partridge in Candy Cabs, and The Suspicions of Mr. Whicher, where she played notorious child murderer Constance Kent. She starred as a young Margaret Thatcher in The Iron Lady,[2] alongside Meryl Streep. She appears in the role of Helene in Sky Comedy's Hunderby in autumn 2012.[3] Roach has also been cast as Molly in the film adaptation of Michael Morpurgo's 2003 novel Private Peaceful.[4]