Erin Doherty in The Crucible

Based on the Salem trials in Massachusetts in 1692, where young girls accused their elders of satanism, a new production of Arthur Miller's modern classic The Crucible has just opened at the National Theatre in London. Actor Erin Doherty, best known for her portrayal of a young Princess Anne in Netflix series The Crown, plays Abigail Williams, the girl whose spurned affections spark the witch hunt. She joins Jessica.