If you guys are interested in suffering in the movie, then yes, there was suffering. His girl left him over this. His parents didn't support him. He faced ridicule from the class and the Professor even said that he considered it his mission to make certain the student would not get into law school because he dared to stand up for his beliefs instead of simply folding like all the other students did.
Heck even the fact that the Professor was turned against any belief in God came from his experience about asking God to save his mother's life, only to be refused, strikes me as a pretty good reason someone becomes "anti-God". Over the years, I have met quite a few folks who have decided that they will no longer believe in God because the answer to their prayers was "no". Often they will reason, a good God would NEVER allow, so there mustn't BE a God. Later in the movie, even the professor lost his girlfriend over the fact that he treated her as less than a person because she was Christian.
Then there was the woman who had dementia. Her son was bitter about it. He even mentioned that she had never done anything wrong and was the nicest person he knew, but here she was suffering while he didn't go in for the religion bit and yet his life was perfect. He dared her to explain (figured he was "safe" because she didn't even know her own son.) Granted that her one lucid moment was explaining that sometimes the devil allows people to live a life of comfort (but doesn't want them turning to God) and then suddenly time runs out and it's too late to turn to God was a touch "dramatic". But it did remind me of those deathbed confessions--what happens when there's no priest? BTW, seems to make perfect sense--the devil WOULD work like that (make everything comfortable so the person forgets about God.)
And both the Muslim girl who converted suffered as well as her father who HAD to kick her out of the family BECAUSE she converted undeniably suffered. I'm sure her little brother who "told" on her, did his own suffering.
And as far as Catholic theology is concerned, that the reason for evil in this world being due to free-will is taught by many Catholic theologians over the centuries. I was introduced to "the problem with evil and why it exists in a taped Catholic theology class from the University at Stuebenville. The teacher? Catholic theologian, Dr. Scott Hahn.
It isn't just that "these people really do think that they are saved just by faith." They believe in the words that the Bible tells us are Jesus' words:
Matthew 10:32--"Whosoever therefore shall confess me before men, him will I confess also before my Father which is in heaven."
and
Matthew 10:33--"But whosoever shall deny me before men, him will I also deny before my Father which is in heaven."