 The majority of the film was shot undercover with hidden cameras and non-actors in real locations in Scotland.The film had its World Premiere at Telluride at the same time as "Starred Up", then played Venice Film Festival and has since won over 20 awards and 90 nominations all over the world.More recently, Brian Coffey at Sigma produced Robert Carlyle's directorial debut "The Legend of Barney Thomson" starring Carlyle, Emma Thompson and Ray Winstone.