- Idris Elba (John Luther)
- Dermot Crowley (Martin Schenk)
- Hermione Norris (Vivien Lake)
- Michael Smiley (Benny Silver)
- Ruth Wilson (Alice Morgan)
- Patrick Malahide (George Cornelius)
- Wunmi Mosaku (Catherine Halliday)
- Enzo Cilenti (Jeremy Lake)
Luther β S5E4
Episode: Episode 4
Air Date: 2019-01-04
Runtime: 53 min
Overview
Reeling from the death of his friend, Luther races to save the others from Cornelius's terrible retribution. With Luther's increasing absence from the case, Halliday heads the hunt for a killer on the loose - a killer determined to complete his final macabre masterpiece.