Lyn Gardner, The Guardian Tue, 2011-02-08 00:00

The stage is set up in a mirror image: is he simply talking to his younger self? A former best friend? Towards the end of the play, it seems as if it might be his brother. In Chris Goode's scrupulous production, the lone man casts two shadows on the opposing walls. It is simple science, of course, but nonetheless it feels spooky.