Hindustan Times | Oscar-winning actress Cate Blanchett keen to star in Downton Abbey Hindustan Times Cate Blanchett, who plays the role of the 'evil stepmother', poses with Cinderella aka Lily James. (AFP). Share. Oscar-winning actress Cate Blanchett says makers of the TV series 'Downton Abbey' have ignored her attempts to get a part in the period drama. Blanchett's failed attempt to star in 'Downton Abbey' Cate Blanchett wants to guest star on "Downton Abbey" Cate Blanchett Wants to Guest-Star on Downton Abbey |