Tina O'Brien

Tina Michelle O'Brien (born 7 August 1983) is an English actress. She is best known for her portrayal of Sarah Platt in the long-running ITV soap opera "Coronation Street" (1999–2008, 2015–present), and for her role as pupil Bex Fisher in the BBC school-based drama series "Waterloo Road" (2010–2011).