American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been … Dana Andrews, Peggy Cummins, Niall MacGinnis, Athene Seyler, Liam Redmond, Peter Elliott, Ewan Roberts Added on Amazon Prime 2020-12-30.