Legendary is behind a new incarnation of “Seance On A Wet Afternoon,” a thriller based on the 1961 novel Mark McShane that had been previously adapted into a feature film in 1964, written/directed by Bryan Forbes. Deadline reveals that British actress Rachel Weisz (“The Favourite,” “The Lobster“) has been tapped for the Myra Savage role, a psychic with real abilities assigned to help the police find a missing child, Amanda.