Tatiana Maslany joins HBO's Perry Mason

Deadline

The Emmy-winning former Orphan Black star will play a lead role opposite Matthew Rhys on the limited series reimagining of the classic legal drama Perry Mason, set in 1932 Los Angeles. She'll play Sister Alice, who preaches three sermons a day and 21 a week as the leader of the Radiant Assembly of God. Sister Alice is one of the most powerful people in the City of Angels.