Michael Smiley plays an unnamed protagonist, an avid reader who finds meaning only in books. When he discovers several passages underlined in his library books his general irritation with life builds to rage. Discovering the identity of the defacer he embarks on a twisted mission of revenge. Michael Smiley won the British Independent Film Award for Best Supporting Actor in 2011 (for Kill List). Zero Tolerance is produced and directed by Tom Pollock, photographed by Garry Turnbull, with original music by Funki Porcini. The script is by Chris Fallon who wrote the Oscar nominated short 'Killing Joe'.