Dave Mclean did not direct this film. Not a single frame.
The movie was shot on location; entirely in the city of Dundee, Scotland.
Dave Mclean credited himself as the Director after filming was complete. It was in fact directed by his brother, Kyle Titterton who was let go of the project and was not responsible for the final edit.
Many of the cast and crew have worked together on numerous projects, including Kerry Browne and David Izatt on the sci-fi feature, Tellurian.