Game of Thrones has turned the screw on impatient fans awaiting the eighth and final season of the fantasy phenomenon by releasing an array of new images - including one of Irish star Liam Cunningham.

The six-episode finale of HBO's ratings colossus will begin in April, almost two years after the end of season seven.

Along with the photo of Cunningham as Davos, there are stills of co-stars Emilia Clarke (Daenerys), Peter Dinklage (Tyrion), Kit Harington (Jon), Lena Headey (Cersei) and Maisie Williams (Arya) in their final episodes of the George RR Martin adaptation.

The series returns to Sky Atlantic in Ireland and the UK on April 15.

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