Inspirational 46+ Gamma Actress Thora Birch Walking Dead
Inspirational 46+ Gamma Actress Thora Birch Walking Dead. She made her film debut in purple people eater (1988), for which she won a young artist award for best young actress under. Thora birch (born march 11, 1982) is an american actress and producer. The new series saw a host of thora birch stars as gamma in the walking dead (image: Alpha rewarded that decision by dubbing her savior gamma.