travelling medium who uses her psychic gifts to solve crimes has Houdini frustrated, as he can't figure out her tricks. Doyle feels she may be genuine, so he is mortified when she predicts the end of Adelaide.
Michael Weston Harry Houdini
Stephen Mangan Arthur Conan Doyle
Emily Carey Mary Conan Doyle
Noah Jupe Kingsley Conan Doyle
Rebecca Liddiard Adelaide Stratton