Chris Ryan - Former SAS soldier Chris Ryan promoting his new book 'Hellfire' in WHSmith at W.H Smiths - Chester, United Kingdom - Wednesday 9th September 2015 (5 Pictures)
View All: Chris Ryan signing his new book
He'll also be on board as a producer for the book to screen adaptation.
Gendry has been living under Cersei Lannister's nose for quite some time now.
The director would love to take the films in a different direction.