"I don't think this movie is going to change people's minds one way or another," Strong said. "People are very polarized. It's not designed to change people's minds."
HBO says no political agenda behind Palin film →
In addition to the book, Strong said the movie is also based on 25 interviews conducted with members of the campaign by himself and Roach.
Palin aides lash out at HBO's 'Game Change' →