Karen Sheila Gillan (born 28 November 1987) is a Scottish actress and filmmaker. She played Amy Pond, companion to the Eleventh Doctor, in the BBC One series Doctor Who (2010–2013). She received international recognition for playing Nebula in the Marvel Cinematic Universe films Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017), Avengers: Infinity War (2018) and Avengers: Endgame (2019) as well as for her starring role in Jumanji: Welcome to the Jungle (2017).
On stage, Gillan appeared in John Osborne's play Inadmissible Evidence in 2011. Her first feature film as a writer and director, titled The Party's Just Beginning, was released in 2018.