We don't have a biography for DS Catherine Halliday yet. Hang in there, or go ahead and contribute one.
Luther Main cast, played by Wunmi Mosaku Episode 5x01: Episode 1 (Jan 1, 2019) Episode 5x02: Episode 2 (Jan 2, 2019) Episode 5x03: Episode 3 (Jan 3, 2019) Episode 5x04: Episode 4 (Jan 4, 2019)