Her roles include Julia in the 1954 BBC adaptation of George Orwell 's novel Nineteen Eighty - Four .
After beginning her acting career in theatre , Mitchell progressed to films in the late 1940s .
Mitchell 's roles include Julia in the 1954 BBC adaptation of George Orwell 's novel Nineteen Eighty - Four .
After beginning her acting career in theatre , Mitchell progressed to films in the late 1940s .