Jill Halfpenny (born 15 July 1975) is an English actress. Her notable roles include Rebecca Hopkins in the long-running ITV soap opera, "Coronation Street", from 1999 to 2000; Kate Mitchell in the long-running BBC One soap opera, "EastEnders", from 2002 to 2005; Izzie Redpath in the BBC One school-based drama series, "Waterloo Road", from 2006 to 2007; and Diane Manning in the BBC One drama series, "In the Club", from 2014 to 2016. She won the second series of the television dance contest, "Strictly Come Dancing", during 2004.