Natalie Oganesyan editorIn today’s TV news roundup, FX announced premiere dates its spring slate, and Netflix announced additional cast members for “Pieces of Her.”Gil Birmingham, Terry O’Quinn and Calum Worthy have been cast in Netflix’s thriller series “Pieces of Her.” They join previously announced cast members Toni Collette, Bella Heathcote, Jessica Barden, David Wenham, Joe Dempsie, Jacob Scipio and Omari Hardwick.