Rosa Bianca Salazar is a Canadian-born American actress. She had roles in the NBC series Parenthood (2011–2012) and the FX anthology series American Horror Story: Murder House (2011). She made her breakthrough and is best known for portraying the title character in the film Alita: Battle Angel (2019). Salazar appeared in The Divergent Series: Insurgent (2015), Maze Runner: The Scorch Trials (2015), and Maze Runner: The Death Cure (2018) and also appeared in the Netflix films The Kindergarten Teacher (2018) and Bird Box (2018). She is currently starring in the Amazon Prime series Undone (2019–present).