Purcell's first acting role was as a TV reporter in the TV series
Cracker in 1995. She then later starred in
Coronation Street as Rhona Summers for 3 episodes in 1997. She appeared as Jenny in the TV series
City Central. In 1998 and 2000, she starred in the
BBC One series
Casualty. In 1998 she played WDC McCarthy, and in 2000 played Diane Abley. Later in 2000, she starred in the TV series ''
Children's Ward'' as Winsome. Her first major role was as
Cynthia Daggert in
ITV's
Emmerdale. She starred in 188 episodes from 2001 to 2002. Her next major role was in ''
Bernard's Watch'' from 2004 to 2005, as Ms. Savage for 21 episodes. Purcell played a supporting role in
BBC's
Waterloo Road as Bolton Smilie's mum Candice Smilie from 2007 to 2009. She played the role of
Gina Conway in
Tracy Beaker Returns for three series, as well as the first series of the spin-off series
The Dumping Ground. ==Illness and death==