Beatrice Dalle and Denis Lavant will star in “Moi non plus,” a dark love story being put together by London-based Day4Night films.Lavant plays an amnesiac artist whose muse, played by Dalle, helps him put his life back together. The sophomore pic by helmer Noli will shoot next spring. His first pic, “Married/Unmarried,” was released in the U.K. three weeks ago. Noli is a partner in Day4Night along with producers Alex Tate and Daniel Singer. The company said Tuesday that it’s in advanced talks with a majority French producer.