Completly unfaithful and tried to cram too many things within 90 mins, its barely enough time for the first book, let alone bringing in elements and plot points from 3 others.
Acting is stiff, there is no character growth, and while they did the best with what they were given, had they written a proper story, the Actors that would have stayed, considering there were many problems with casting certain characters in situations, would have been able to do a much better job, and create a much better film