The series, adapted from books by bestselling novelist Mark Billingham, will star MyAnna Buring as Helen Weeks, a feisty yet fragile detective.
She will be joined by Ben Batt as Paul Hopwood, her partner and a head strong Detective Inspector.
Further cast confirmed include David Leon, Ashley Walters, Matt King, Clive Wood, Emma Fryer, Jamie Sives, Pearce Quigley, Georgia Moffett, Sinead Matthews and Jessica Gunning.
The series is described as characterful, darkly funny and with themes relevant to our times and is an incredibly personal and engaging crime series.
Myanna Buring said: "What interested me was Danny Brocklehurst's writing and working with Hilary Martin. I have such respect for their work and the way they conduct it. They have developed a great story and have now brought in a brilliant production and creative team, directors, and cast... Gilles has created an incredible atmosphere for all the actors this week - I'm excited for shooting to begin."
Ben Batt said: “I am thrilled to be working on In The Dark; it’s got it all - excellent scripts, intriguing characters and a fantastic cast. And the added bonus of filming around Manchester is just brilliant.”
Writer Danny Brocklehurst said: “It's always great for a writer when you have a superb cast to bring your words to life. I'm thrilled to be working with the super-talented MyAnna Buring, an actress I have admired for many years, and the brilliant Ben Batt. I know that they will inhabit Helen and Paul, and deliver the performances these complex characters deserve.”
In The Dark will be filmed in April in Manchester and the North West.