Neil Cross Creator Idris Elba John Luther Actor, Producer Dermot Crowley DSU Martin Schenk Actor Michael Smiley DS Benny Silver Actor Darren Boyd DCI Theo Bloom Actor Rose Leslie DS Emma Lane Actor Laura Haddock Megan Cantor Actor Patrick Malahide George Cornelius Actor Joanna Croll Chloe Morley Guest Star Mark Carey Jimmy Segar Guest Star John Heffernan Steven Rose Guest Star Lorraine Hilton June Segar Guest Star Michael Obioa Errol Minty Guest Star Tommy French Declan Segar Guest Star Simone James Mel Cornelius Guest Star Charlotte Pyke Roberta Wise Guest Star Annabel Bates Tara Black Guest Star Selin Hizli Stacey Bell Guest Star Hannah Bourne Katie Woodward Guest Star Emma Fischer Hannah Woodward Guest Star Sam Miller Director