Question: The British/Irish film, television, theatre and radio actor Colin Morgan appeared in which 2014 British drama film about a war memoir written by Vera Brittain?
Sentence (from "Colin Morgan"): Colin Morgan (born 1 January, 1986) is a British/Irish film, television, theatre and radio actor best known for playing the title character in the BBC fantasy series "Merlin", the lead in "The Living and the Dead", and main roles in "Humans" and "The Fall"; his stage role as Ariel in "The Tempest"; and film roles in "Testament of Youth", "Legend" and "".
Relevant evidence: Yes