It’s been a fast rise for Kelly McCreary on veteran ABC medical drama Grey’s Anatomy. After making her debut in the last two episodes of last season and appearing in virtually episode so far this season, McCreary has been promoted to regular on the series, now in its 11th season. She will continue  as Dr. Maggie Pierce, the new head of Cardiothoracic Surgery and half-sister to Meredith Grey (Ellen Pomeo). McCreary, who co-starred on another medical drama, the CW’ Emily Owens MD, is with Soffer/Namoff Entertainment, the Kohner Agency and Stewart Talent.