Why did Miss O’Brien leave Downton Abbey?

Why did Miss O’Brien leave Downton Abbey?

The Happy Valley star explained: “I signed up to do three series and that was all I wanted to do. I talked it through with my family and it was the right decision for all of us.” Finneran said: “I had great fun doing it but I just didn’t want to do it any more.” Aug 25, 2017

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