The series adaptation of Elsie Silver’s “Rose Hill” novels at Amazon Prime Video has added three series regulars and two recurring guest stars, Variety has learned. Siobhan McGroarty (“Law & Order,” “VHS: Kidprint”), Sophia Reid-Gantzert (“Free Bert,” “The Babysitters Club”), and West Mulholland (“Presence,” “Little Fires Everywhere”) will appear as series regulars, with Gigi Zumbado […]