Mr Gammon designs costumes for opening episodes of DARK HEART

The series follows DI Will Wagstaffe, a man haunted by the murder of his parents when he was 16 years old - Dark Heart is inspired by characters created by novelist Adam Creed, who has written a series of books featuring Will Wagstaffe.

The show premieres on the 31st of October at 9pm on ITV, with Mr Gammon costume designing episode 1 and 2.