Special Guest Stars Kate Mara as Hayden McClaine Guest Stars Frances Conroy as Moira O'Hara (Old) Matt Ross as Dr. Charles Montgomery Alexandra Breckenridge as Moira O'Hara (Young) Morris Chestnut as Luke Michael Graziadei as Travis Wanderly Sarah Paulson as Billie Dean Howard Eve Gordon as Dr. Hall Mena Suvari as Elizabeth Short Geoffrey Rivas as Det. Jack Colquitt Joshua Malina as Dr. David Curan April Grace as Nurse Naima Tanya Clarke as Marla McClaine Co Starring Ava Kolker as Three Year Old Girl Caitlin Dahl as Young Mother Dennis Hill as Basketball Guy #2 Christopher Thomas as New Pope Joshua Allen as Basketball Guy #1