John Hopewell Chief International CorrespondentEstablishing itself as the most consistent buyers of top titles at Fantasia, Shudder, AMC Networks’ premium streaming service for horror, thriller and the supernatural, has acquired period horror feature “The Last Thing Mary Saw” ahead of its Aug. 15 world premiere at the Canadian genre fest.Directed by Edoardo Vitaletti, “The Last Thing Mary Saw” will be released by Shudder in the U.K., Ireland, Australia and New Zealand in 2022.