Leo Barraclough International Features EditorIn a presentation to buyers delivered at the start of the Pre-Cannes Screenings on Monday, director Doug Liman described his new movie “Everest,” set to star Ewan McGregor, Sam Heughan and Mark Strong, as the “ultimate adventure film.” HanWay Films is selling international rights at the virtual market, while UTA Independent Film Group handles U.S.” ‘Everest is about the first attempt to climb Mount Everest in 1921,” Liman explained.