An English mystery novelist invites a medium to his home, so she may conduct a séance for a small gathering. The writer hopes to gather enough material for the book he's working on, as well as to expose the medium … Rex Harrison, Constance Cummings, Kay Hammond, Margaret Rutherford, Hugh Wakefield, Joyce Carey, Jacqueline Clarke Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer