It should be said, that this movie is based upon the Norwegian movie, with the same name. So the writers are actually Nikolaj Frobenius and
lakefxdan (10 out of 10 )
No, that's not necessarily correct. The WGA rules determine the credits. In this case it is a screenplay by Seitz which is *adapted* from a story by Frobenius and Skjoldbjaerg. They still receive screen credit, but they did not write the English-language screenplay.