As well as that, she also played Robert Pattinson’s character Cedric Diggory’s girlfriend after Cho and Harry went their separate ways.
The 28 year old later starred in Channel 4 drama Run and has appeared in a number of plays.
She also starred in the BBC dramas One Child and Father Brown.
Set on the streets of Brixton, South London, she played an illegal immigrant, and the role was a tough one as it involved her being raped.
She admits that thanks to Eric she has become something of a gaming addict.
She is approached by an intermediary acting on behalf of her birth mother – Mei was given up because of China’s one child policy (a law which has since been abolished) – who wants her to help clear her son after he was framed for the murder of a Nigerian man in a nightclub.
The boy-who-lived himself, Radcliffe has starred in romantic comedies, thrillers and animations since he put down his magical wand. The 26-year-old is set to star in upcoming flicks Swiss Army Man, Now You See Me 2, Imperium, Young Americans and Jungle.
Katie says: 'It is a great honour to be involved in such an extraordinary project and especially to be playing the role based on Jung Chang.
I look forward to performing this truly inspirational story on stage.'It is the first stage adaptation for the 1991 work, which has sold more than 13 million copies in 36 languages, and has come about through collaboration between the Young Vic, the American Repertory Theater and the Actors Touring Company.
Others, like Jamie Waylett (Vincent Crabbe), jailed for two years for his part in the London riots, have sunk without trace.
What is it really like to go from a decade working on the biggest film franchise in the world to finding work as young adults?
I guess some actresses use that adrenalin to push themselves.