Cast of Luther

Idris Elba plays DCI John Luther, a brilliant but troubled detective working for the Serious Crime Unit.

Indira Varma portrays Zoe Luther, who is John Luther's estranged wife.

Steven Mackintosh is DCI Ian Reed, a close friend and colleague of John Luther.

Saskia Reeves plays DSU Rose Teller, Luther's superior at the Serious Crime Unit.

Aimee-Ffion Edwards takes on the role of Jenny Jones, a young woman with connections to the criminal underworld.

Nikki Amuka-Bird is DCI Erin Gray, a colleague who is suspicious of Luther's methods.

Sienna Guillory plays Mary Day, a love interest of John Luther.

David O'Hara portrays DSU George Stark, a determined officer aiming to bring down Luther.

Hermione Norris plays Vivien Lake, a psychiatrist with a mysterious past.

Michael Smiley is Benny Silver, a tech expert who assists Luther.

Paul McGann plays Mark North, Zoe Luther's new partner.

Ruth Wilson portrays Alice Morgan, a brilliant sociopath who forms a unique relationship with Luther.