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Katie Griffiths is an English actress, who is best known for playing Chlo Grainger in the BBC1 drama Waterloo Road from 2006 to 2009.
Katie appeared in Waterloo Road from the first episode, broadcast on 9 March 2006, until the end of the fourth series.
She played Alice in the television film Coming Down The Mountain; she has also appeared in Casualty as Lucy Hainford and in Doctors as Gemma Mason, and in Paradox in 2009 as Leah Holt. Since January 2010 she has appeared in three episodes of the Only Fools and Horses prequel Rock & Chips as Glenda. she was also in the 2010 BBC one series Five Days as a minor character called Rowan. More recently Katie appeared in Father Brown as a brewer's daughter playing an adult heiress in love with her sister's husband.