J Nash

There are exemptions. Viewers of diligent serial killer pic Seven might reasonably expect the author, AK Walker, to be a spindly creature of razor silhouette and monochrome shades, like a scribbly drawing by R Searle or C Rodrigues.

In fact, as viewers of rubbish housework pic Panic Room* will know from his cameo as Unaware Neighbour, AK Walker closely resembles a Harry Knowles who's let himself go.