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ITV has released a trailer and preview clip for new six-part crime drama Unforgotten from writer Chris Lang.

Unforgotten stars Nicola Walker and Sanjeev Bhaskar as DCI Cassie Stuart and DS Sunil ‘Sunny’ Khan, who investigate a ‘cold’ murder case of 39 years ago, when the bones of a young man are found beneath the footings of a demolished house.

Watch the trailer below…

The drama also stars Trevor Eve, Sir Tom Courtenay, Bernard Hill, Ruth Sheen and Gemma Jones.

Alongside, Brian BovellCherie Lunghi, Hannah Gordon, Claire Goose, Tamzin MallesonPeter Egan and Frances Tomelty.

Unforgotten is due to air on ITV in September.

Watch the preview clip below…