Complex sentence: On December 19, Kate Winslet entered negotiations to star in the film, with Fassbender and Rogen confirmed to star and her participation in the film as Joanna Hoffman was confirmed on January 27.
Split into simpler sentences: On December 19, Kate Winslet entered negotiations to star in the film, with Fassbender and Rogen confirmed to star. Winslet's participation in the film, playing Joanna Hoffman, was confirmed on January 27.