Amy Adams and Jake Gyllenhaal Team Up for True-Story Movie 'Finding the Mother Tree' Movie The 'American Hustle' actress and the 'Brokeback Mountain' actor are joining forces to develop a new feature film about real-life scientist Suzanne Simard. May 6, 2021 Jake Gyllenhaal to turn the new memoir of world-famous scientist and ecologist Suzanne Simard into a movie. " American Hustle" star Adams will also take on the lead role as Simard in " Finding the Mother Tree", which the actress will produce for her Bond Group Entertainment company, alongside Gyllenhaal and Riva Marker for his Nine Stories firm. In the book, published on Tuesday (04May21), Simard shares her story as a former logger and enthusiastic scientist, who first discovered how trees evolved over the years to communicate underground through a complex web of fungi.