New cast members for the Downton Abbey household.

Blackout and White Heat star MyAnna Buring has joined the series 3 cast of Julian Fellowes, Downton Abbey.

The Sunday Times reports the Twilight actress will play a feisty servant named Erin in the special upcoming Christmas episodes.

Buring says: “You couldn’t get two projects more different. I was thrilled when the Downton offer came.”

Bad Girls actress Simone Lahbib is also set to play a servant in the new series which will begin in September on ITV1.