The return of Sarah Kane’s shocking play Cleansed: ‘My friends are scared to see it’

The late playwright’s violent, sexually explicit drama is often regarded as one of the most ‘hardcore’ pieces of modern British theatre. Director Rebecca Frecknall and star Leo Bill speak to Louis Chilton about the Almeida’s new revival, and why there’s so much more to ‘Cleansed’ than just the sensational stories of fainting audiences