Nancy is a 2018 American psychological drama film written and directed by Christina Choe in her feature directorial debut. It stars Andrea Riseborough in the title role, with J. Smith-Cameron, Ann Dowd, John Leguizamo, and Steve Buscemi in supporting roles. It follows a serial imposter who, blurring lines between fact and fiction, becomes increasingly convinced she was kidnapped as a child.

Andrea Louise Riseborough is an English actress. She made her film debut with a small part in Venus (2006), and has since appeared in more prominent roles in Brighton Rock (2010), W.E. (2011), Shadow Dancer (2012), Oblivion (2013), Birdman (2014), Nocturnal Animals (2016), Battle of the Sexes, The Death of Stalin, Mandy, Nancy, The Grudge, Possessor, and To Leslie (2022). For the latter, she was nominated for the Academy Award for Best Actress.