Jemima Rebecca "Jemma" Redgrave (born 14 January 1965) is an English actress, and a member of the Redgrave family. She is known for her roles as the title character in Bramwell (1995–1998) and as Kate Lethbridge-Stewart in Doctor Who (2012–present) and its upcoming spin-off, The War Between the Land and the Sea. As well as a career in television, she has appeared in many stage productions and on film, including her portrayal of Evie Wilcox in the Merchant Ivory film Howards End. (Via Wikipedia)