Adapted from the novels In The Dark and Time of Death by Mark Billingham.
MyAnna Buring (DI Helen Weeks) & Ben Batt (DI Paul Hopkins) also worked together on episode 2.2, Episode #2.2 (2015), of Prey (2014), as Jules Hope & Joseph Kijek respectively.
Filming for the series began in April 2017 in Manchester and Marsden.
Louise Delamere (Sarah Rushton) & Ben Batt (DI Paul Hopkins) also worked together on two episodes of Scott & Bailey (2011) as Caroline Savage & DC Kevin Lumb respectively.
MyAnna Buring and Joey Batey would co-star later on in The Witcher.