Subplot scenes, set in an asylum where Jodie McNee's phlegmatic young wife to a jealous old doctor blandly resists two noblemen playing mad and stupid, are supposed to run in ironic counterpoint.
Donnellan plays them in blazing light, suggesting that here people's intentions are clear.
Those encounters where Beatrice and De Flores fall upon each other like spiders caught in sex's clutches are, by contrast, shrouded in darkness.
Yet, despite Donnellan's deficient production The Changeling still fascinates.