In this World War I epic, Dean-Charles Chapman plays Lance Corporal Blake, who is motivated to reach his brother, a member of the second battalion that Blake must warn of an ambush. Chapman is a young actor, most recognizable from his role as Tommen Baratheon in “Game of Thrones.” Alongside Blake is his comrade Lance Corporal Schofield played by George MacKay, who gained fame from his role as Bo in