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(USA TODAY) -- She's just landed the lead female role in the upcoming Fifty Shades of Grey movie, but the casting decision may have left you wondering: Who exactly is Dakota Johnson?

Johnson,who will play Anastasia Steele in the film adaptation of E.L. James'best-selling erotic novel, is the daughter of screen veterans MelanieGriffith and Don Johnson. She's also the granddaughter of the iconic Birds actress Tippi Hedren.

See Also:Who is Charlie Hunnam?

The 23-year-old actress made her film debut in 1999's Crazy in Alabama,in which she and her half-sister, Stella Banderas, played the daughtersto their real-life mother, Griffith. The film was directed by Johnson'sstepfather, Antonio Banderas.

In 2006, she was voted Miss GoldenGlobe, where she served as the first second-generation Miss Golden Globe-- mom Griffith was also Golden Globe royalty back in the day. Thatsame year, Johnson signed with IMG Models and was the face of MANGOjeans in 2009.

In 2010, Johnson had a small role in The Social Network.Remember the scene where Napster founder Sean Parker -- played famouslyby Justin Timberlake -- has a one-night stand with a college student?That was Johnson.

Johnson's other film credits include Beastly, The Five-Year Engagement and 21 Jump Street. She also starred as Kate in the 2012-13 Fox comedy series Ben and Kate (the show was canceled after one season). She is currently shooting a new adaptation of Cymbeline.

In October, Johnson toldUSA TODAY that she always knew she wanted to be an actor. "This is mypassion. This is my job. I love it more than anything," said Johnson."I'm so happy when I'm working. I love doing improv. I love comedy. Ihave always felt this way, even when I was really young. I'd watch myparents work and think, yeah, I'm going to do that. It wasn't even athing. It's the only thing I know how to do."

As for her personallife, Johnson said she's "more of a person who goes with the flow ofthings. I have a boyfriend that I've been with for a while. I've onlybeen in long-term relationships. I've never really dated myself."

Johnson will star opposite Charlie Hunnam, who will play Christian Grey in the film adaptation of Fifty Shades of Grey. It's set to steam up theaters Aug. 1, 2014.

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