Background
Casey was born in Rawtenstall, Lancashire.
Casey was born in Rawtenstall, Lancashire.
She attended Oldham Theatre Workshop with longtime friend Antony Cotton who appeared in Coronation Street.
She is best known for her long-running roles playing Carol Groves in the television series Hollyoaks from 1995 to 2000 and playing Donna Henshaw in Two Pints of Lager and a Packet of Crisps from 2001 to 2011. At the age of three her single "Chick Chick Chicken" reached number 72 in the United Kingdom Singles Chart in 1984. This made her the youngest person ever to have a recording in the United Kingdom chart.
At this time, she appeared on the British Broadcasting Corporation"s Saturday Superstore and asked Boy George to take her to the toilet.
In the 2008 live special of Two Pints of Lager and a Packet of Crisps, Casey performed the single for the first time in over 20 years. Her older sister is actress Anna-Jane Casey.
In the summer of 2007, Casey played Serena Katz in a hit run of the musical Fame at the Shaftesbury Theatre, and in February 2008 she began playing the role Julia in the pre-West End United Kingdom tour of The Wedding Singer. at the Chichester Festival Theatre. She took over from Denise Van Outen in Legally Blonde at The Savoy Theatre as Paulette from 26 April 2011.
In March 2012 she played Angela in the revival of Mike Leigh"s Abigail"s Party at the Menier Chocolate Factory, later transferring to Wyndhams Theatre, London.
On 29 June 2012, it was confirmed that Casey would be playing the role of Judy Bernly in the first United Kingdom tour production of the Broadway musical 9 to 5. The tour began at the Manchester Opera House on 12 October 2012. She appeared in the United Kingdom tour production of 9 to 5 in a cast which includes Bonnie Langford and Jackie Clune.
She appears in "Sex and the Three Day Week".