Education
She completed a degree in the History of Art at the University of Bristol and later trained at the London Academy of Music and Dramatic Art, before moving into acting.
She completed a degree in the History of Art at the University of Bristol and later trained at the London Academy of Music and Dramatic Art, before moving into acting.
She has also acted in films and a videogame. Born in Paris, France to a Northern Irish mother and an American father, Griffith was brought up in west London with six older brothers, one of whom is actor Jamie Bamber. Griffith made her onscreen acting debut in a minor role, in the made-for-television movie She"s Gone (2004).
Also in 2004, she appeared in more prominent roles in the television movie Dirty Filthy Love, the comedy film Alfie, the short film Turn, and The Headsman.
In 2005, she guest-starred in the British comedy The Worst Week of My Life. The role saw her with an imitated American accent.
She says " were a little concerned at first about a Brit playing an American, especially because they already had an Australian (Rose Byrne) playing an American," and so Griffith addressed them in an American accent from the beginning to the end of the audition. Griffith returned to the series as a main cast member for the second season, which aired in 2009.
She guest-starred in an episode of Law & Order: Special Victims Unit, and in the second episode of New Amsterdam, titled "Golden Boy".
She was later cast in the National Broadcasting Company medical drama Trauma, which began airing in September 2009. In May 2010, after 18 episodes, National Broadcasting Company officially cancelled the show. Griffithn returned on 17 June 2010, at the end from episode 3 season 2 from Royal Pains, as Doctor Emily Peck.
Griffith appeared in the Lifetime television movie And Baby Will Fall (2011), as Ivy Rose.
She can be seen as Elizabeth Haverford Morehouse, the English wife of a wealthy businessman, on the British Broadcasting Corporation America series Copper. In 2011, she appeared in American Broadcasting Company"s television series, Once Upon a Time, as Kathryn Nolan and her counterpart Abigail.
She debuted in Season1, episode 3. Griffith dated Welsh actor Michael Sheen for a number of months in 2004, after meeting him on the set of Dirty Filthy Love.