Jack Lowden acts .
His current projects include roles as golfing legend Tommy Morris in Tommy 's Honour , Tony Benn in the historical film A United Kingdom , a main-cast role in the Holocaust legal-drama film Denial , one of the leads in Christopher Nolan 's Dunkirk , the starring role of Morrissey in the biopic England Is Mine , one of the two leads in the thriller Calibre , and Zak `` Zodiac `` Bevis in Fighting with My Family .