On 17 December 2010 it was announced Cassidy would reprise her  EastEnders  role in 2011 for a single episode. On 5 January 2012, Cassidy entered the  Celebrity Big Brother  house. TENTH HOUSEMATE. GARETH THOMAS Gareth Thomas  (born 25 July 1974), known as Alfie, is a retired  Welsh  professional  rugby footballer  who played  rugby league  for