Phyllis Henderson (Margaret Pomerance) Past Centre Stage roles: Eleemosynary (Dorothea Westbrook), ‘Night, Mother, (Thelma Cates). Other favorite roles: Bright Star, (Mama Murphy) (MTP), Sound of Music (Mother Superior) (GLT). A long-time resident of Greenville, Phyllis is active in the community and has served in various elected positions. She is excited to be performing in her first live performance at Centre Stage. Tear the damn dam down and change it!