The 33-year-old actor also leads Terence Davies' posthumous film Siegfried's Diaries. The Scotsman plays the pacifist poet Siegfried Sassoon, survivor of the trenches of the First World War and inveterate pacifist.

Filmed under the direction of this master of intimate and tormented dramas in costumes left an indelible mark on him. “Siegfried’s Diaries remains the most finely crafted script that anyone has ever entrusted to me. It was all on the page. His writing is precise...”