It has been announced that Game of Thrones star Peter Dinklage is joining the cast of X-Men: Days of Future Past.

Writing on his Twitter page on Wednesday, the film's director, Bryan Singer, said: "Officially like to welcome #PeterDinklage from #GameOfThrones to #XMEN #DaysofFuturePast Very very excited!".

Dinklage's co-stars in the movie will include Jennifer Lawrence, Hugh Jackman, Patrick Stewart, Ian McKellen, James McAvoy and Michael Fassbender.