Zoë Wanamaker, CBE (born 13 May 1949) is an American-born British stage, television and film actress, who has worked extensively with the Royal Shakespeare Company and the National Theatre. A nine-time Olivier Award nominee, she won for Once in a Lifetime (1979) and Electra (1998). She has also received four Tony Award nominations for her work on Broadway; for Piaf (1981), Loot (1986), Electra (1999), and Awake and Sing! (2006).
Wanamaker's film appearances include Wilde (1997), Harry Potter and the Philosopher's Stone (2001), and My Week with Marilyn (2011), while her television roles have included starring as Tessa Piggott in the drama series Love Hurts (1992–94) and Susan Harper in the long-running sitcom My Family (2000–11). She has also appeared in the ITV dramas Agatha Christie's Poirot (2005–13) and Mr Selfridge (2015).
Wanamaker was born in New York City, the daughter of Canadian-born actress and radio performer Charlotte Holland, and American-born actor, film director and radio producer Sam Wanamaker, who decided not to return to the United States after being blacklisted in 1952. Her parents were Jewish, although she had a non-religious and non-observant upbringing. Her father's family was of Ukrainian extraction.