This is the third year Green has spent living in Ireland for five and a half months playing Vanessa Ives. I make jokes and play with the crew before we approach” – she growls comically – “the darkness. It’s fun for me to do, even if the results are scary.
Is it contagious? Do she think it’s psychically risky to play such a deranged character, particularly when channelling the voice of someone who endured exorcism? “On the contrary.