“I definitely enjoy scaring people,” Mattea Conforti told Entertaining Options when asked about her latest role. Mattea plays Millie Manx, a vicious demon child, in AMC’s dark suspenseful drama, NOS4A2. NOS4A2 is based on Joe Hill’s book of the same name and stars Zachary Quinto (Heroes, Star Trek) as Charlie Manx and Ashleigh Cummings (Miss…