<Li> Eileen Atkins as Queen Mary, Elizabeth's grandmother (season 1) </Li> <Li> Jeremy Northam as Anthony Eden, Churchill's Foreign Secretary, who succeeds him as Prime Minister </Li> <Li> Victoria Hamilton as Queen Elizabeth, George VI's wife and Elizabeth's mother, known as Queen Elizabeth The Queen Mother during her daughter's reign </Li> <Li> Ben Miles as Group Captain Peter Townsend, George VI's equerry, who hopes to marry Princess Margaret </Li>

Who plays queen elizabeth the queen mother in the crown