Complex sentence: In December 2014, it was announced that Kit Harrington, and Jessica Chastain would star in the film, with Xavier Dolan directing the film from a screenplay he wrote, Harrington would portray the titular character while Chastain would portray a journalist.
Split into simpler sentences: In December 2014, it was announced that Kit Harington and Jessica Chastain would star in the film, with Xavier Dolan directing the film from a screenplay he wrote. Harington would portray the titular character while Chastain would portray a journalist.