- 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 — S1E4
Episode: Episode 4
Air Date: 2010-05-25
Runtime: 59 min
Overview
When a serial killer goes on the rampage, Luther must put his personal life aside and delve inside the murderer's mind to discover what is driving him to kill so many girls, and why.