<Tr> <Th> Relatives </Th> <Td> Jesse Johnson (paternal half - brother) Peter Griffith (maternal grandfather) Tippi Hedren (maternal grandmother) Tracy Griffith (maternal half - aunt) </Td> </Tr> <P> Dakota Mayi Johnson (born October 4, 1989) is an American actress and model . She is the daughter of actors Melanie Griffith and Don Johnson, and her maternal grandmother is actress Tippi Hedren . She had her screen debut alongside her mother in the comedy - drama Crazy in Alabama (1999) and was named Miss Golden Globe in 2006 . Following high school graduation, she returned to acting with roles in the films The Social Network (2010), Beastly (2011), 21 Jump Street (2012), and Need for Speed (2014). She also starred in the short - lived Fox comedy series Ben and Kate (2012--2013). </P> <P> She received international recognition in 2015 after landing the lead role of Anastasia Steele in the romantic drama Fifty Shades of Grey, which catapulted her to fame and earned her the People's Choice Award for Favorite Dramatic Movie Actress and a BAFTA Rising Star Award nomination . The same year, she took part in Black Mass and A Bigger Splash . She also starred in the romantic comedy How to Be Single (2016), and reprised her role as Anastasia Steele in Fifty Shades Darker (2017) and Fifty Shades Freed (2018). </P> <P> Dakota Mayi Johnson was born on October 4, 1989, in Austin, Texas, to actors Melanie Griffith and Don Johnson . Her maternal grandparents are advertising executive and former child actor Peter Griffith and actress Tippi Hedren, and she is the half - niece of actress Tracy Griffith and production designer Clay A. Griffin . Her former stepfather is actor Antonio Banderas . She has six half - siblings; four on her father's side, including actor Jesse Johnson, and two on her mother's side . </P>

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