Board Thread:Spoilers!/@comment-26443838-20160203031256/@comment-26443838-20160211032538

Cora (Barbara) seems to be filming soon in this episode.

http://katmtan.tumblr.com/post/139086556667/do-you-know-who-is-filming-this-week-havent-seen

Definately in flashbacks, but maybe also in the present.