DCI Drummond (James Murray) will join the show in Season 5.
Appearances
Suspects
Main cast, played by James Murray
- Episode 5x01: The Enemy Within (Part 1) (Aug 3, 2016)
- Episode 5x02: The Enemy Within (Part 2) (Aug 10, 2016)
- Episode 5x03: The Enemy Within (Part 3) (Aug 17, 2016)
- Episode 5x04: The Enemy Within (Part 4) (Aug 24, 2016)
- Episode 5x05: The Enemy Within (Part 5) (Aug 31, 2016)
- Episode 5x06: The Enemy Within (Part 6) (Aug 31, 2016)