Searxng/Sara Cohen author TV Bestselling thriller author Freida McFadden reveals her real identity: Dr. Sara Cohen, a brain doctor who kept her double life secret for years. April 9, 2026 AceShowbiz - The author known by the pen name Freida McFadden, famous for her bestselling psychological thriller The Housemaid, has publicly disclosed her real identity. She revealed that her true name is Sara Cohen and that she works as a brain doctor when not writing.