McLevy

McLevy is a British radio crime drama series, written by David Ashton, about the 19th century Edinburgh detective James McLevy. Broadcast on BBC Radio 4, as part of its "Afternoon Drama" slot, the drama stars Brian Cox, Siobhan Redmond, Michael Perceval-Maxwell and David Ashton. 
Main cast.
In the 1999 pilot play, Phyllis Logan played Jean and John Paul Hurley played Mulholland. Lieutenant Roach was not introduced until the actual first episode of Series One; in the pilot play, McLevy's superior was Lieutenant Moxey, with the change in command explained as Moxey having been "elevated" to The Haymarket (in the novel "Shadow of the Serpent", the explanation is that Moxey "had left somewhat under a cloud and Roach had been swiftly drafted in from Haymarket to fill the gap ...").
Format.
While some of the series contain a thread connecting all of that series' stories into one storyline, the elements of each of the stories remain constant:
The historicity of the series is not always faultless. For example, an episode on 24 March 2015 involved a robbery of the British Linen Bank, although that bank did not obtain that title until 1906.
In other media.
All episodes of each series are currently available on both CD and audio download.