Morfydd Clark: ‘Agatha Christie is brutal about class in Britain’

We talk (cold arms and all) about how, though this is another nostalgic Christie murder drama, with all the trimmings, it also explores serious, contemporary issues, from class, to female empowerment, power structures, race and colonialism. “Agatha Christie really suits being switched up and changed considering what the world is like now,” Clark says. “She was interrogating people all the time.”