Philip Ridley's The Poltergeist is an irresistibly restless creation which emulates the troublesome violent spirit conjured up by the title. The firework cracking solo piece has had a checkered history. It was first produced at Southwark Playhouse where its run was stymied by Covid lockdown but played out in a deserted auditorium to broadcasting cameras for a criminally brief three performances; it blew away the comp…
