This project was shot using available light only (without film lighting) and without traditional grip equipment. It is thought to be the first mainstream show shot this way in UK.
Philip Glenister and John Simm have co-starred in three series together - Mad Dogs (2011), Prey (2014) and Life on Mars (2006).
John Simm inquires at train station about trains to Horwich. Horwich is where series writer, Chris Lunt, grew up.
Although Philip Glenister and John Simm star in different seasons of this series, they have co-starred in four series together - Clocking Off (2000), State of Play (2003) Life on Mars (2006) and Mad Dogs (2011) and one film, Tu£sday (2008). They both starred in the series Prey (2014) (TV Mini-Series), but in separate seasons.
John Simm (Marcus Farrow) & Benedict Wong (DS Ash Chan) also worked together on State of Play (2003) as Cal McCaffrey & Pete Cheng respectively.