Idris Elba will be joined by Rose Leslie, Laura Haddock (The Inbetweeners Movie) and Darren Boyd (Fortitude) in a new two-part Luther special.
Elba's DCI John Luther will be "pitted against his most chilling adversary yet, haunted by the ghosts of his past and hell-bent on retribution".
Michael Smiley (Benny Silver) and Dermot Crowley (DSU Martin Schenk) will also reprise their roles from the series, though the BBC is yet to confirm if Ruth Wilson will be back as Alice Morgan.
Elba said: "It's great we've been able to do this Luther special. John is so close to my heart, he's part of me. The fans won't be disappointed with his return – it's explosive and definitely goes up a gear!"
Neil Cross returns to write the new Luther episodes, which are shooting in East London.
The show will return to BBC One in the autumn. Watch a classic Luther clip below:
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