<Tr> <Th> Years active </Th> <Td> 2000--present </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Caitlin Blackwood (cousin) </Td> </Tr> <P> Karen Gillan (born 28 November 1987) is a Scottish actress, director, screenwriter and model . She played the role of Amy Pond, companion to the Eleventh Doctor, in the BBC One science fiction series Doctor Who (2010--2013). She has received wide recognition for portraying Nebula in the Marvel Cinematic Universe films Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017), Avengers: Infinity War (2018), and its untitled sequel (2019), and also played Ruby Roundhouse in the box - office hit Jumanji: Welcome to the Jungle (2017). </P> <P> In 2018, she released her first feature film as writer and director, titled The Party's Just Beginning . </P>

Who plays the sister in guardians of the galaxy