Rebecca Maria Hall (born 3 May 1982) is a British-American actress. In 2003, she won the Ian Charleson Award for her debut stage performance in a production of Mrs. Warren's Profession. She has appeared in the films The Prestige, Vicky Cristina Barcelona (for which she was nominated for a Golden Globe), The Town, The Awakening, Frost/Nixon, Iron Man 3, Transcendence, and The Gift. She was also nominated for the Leading Actress Television BAFTA in 2013 for her role as socialite Sylvia Tietjens in BBC Two's Parade's End, opposite Benedict Cumberbatch. In 2016, Hall portrayed the troubled news anchor Christine Chubbuck in the critically acclaimed drama Christine. She played the role of Beth Raymer, in the 2012 film Lay the Favourite, in which one review commented that she "plays Raymer as an endearing force of nature who somehow manages to survive in a dangerous world through sheer force of character."
She played the role of Sylvia Tietjens in the BBC/HBO/VRT production of Parade's End in 2012 opposite Benedict Cumberbatch. She replaced Jessica Chastain as Maya Hansen in the superhero film Iron Man 3 (2013). She also starred as Claudia Simmons Howe in the thriller Closed Circuit (2013), and co-starred with Johnny Depp in Wally Pfister's directorial debut Transcendence (2014). In 2004, Hall appeared in three plays for the Peter Hall Company at the Theatre Royal, two of which her father directed, namely Man and Superman in which she played Ann, and Galileo's Daughter in which she played Sister Maria Celeste. The third, Molière's Don Juan, in which she played the part of Elvira, was directed by Sharrock.