Blockhead review – struggling novelist embraces his inner monster in comic thriller of literary machismo

Writer-director Matt Harlock looks into ego and insecurity in a smart film about a BritLit bad boy who goes down a grisly roadThis has nothing to do with Ian Dury; rather, it is a brisk, effective British indie thriller informed by the legend of Robert Louis Stevenson wrestling his shadow self while writing Dr Jekyll and Mr Hyde. The present-day…