Sarah Caroline Colman (born 30 January 1974), known by the stage name Olivia Colman, is an English actress. She first came to prominence for her supporting role as Sophie Chapman in the Channel 4 comedy series Peep Show (2003–10). Her other TV comedy roles include Green Wing (2004–06), Beautiful People (2008–09), Rev. (2010–14) and Twenty Twelve (2011–12). She also played various roles in That Mitchell and Webb Look (2006–08), alongside her Peep Show co-stars David Mitchell and Robert Webb. Her move to drama saw her receive critical acclaim for her performance as Hannah in the 2011 film Tyrannosaur. Her other film roles include Carol Thatcher in The Iron Lady (2011), Queen Elizabeth, The Queen Mother in Hyde Park on Hudson (2012) and Bethan in Locke (2013).