Well, it depends on how you define 'healer'. Paul Newman was a great actor, but he also made a significant impact through his philanthropic efforts. His work with charities and his commitment to giving back can be considered a way of 'healing' society in a sense. He used his fame and resources to make the world a better place, which is very much like a healer does in a broader context.
As a healer in the true story, Paul Newman played a major role in the lives of those in need. His Hole in the Wall Gang Camp was a haven for sick children. There, they could experience joy and a sense of community, which was like a form of emotional healing. Also, the financial support from his charitable products like Newman's Own reached far and wide to help different groups, making him a healer in the sense of providing practical help and hope.
In part, it is. The movie 'Hustler' incorporates some true incidents and characters but also adds fictional elements for dramatic effect and to make the story more engaging.
The hustler might be a very resourceful character. Since it's based on a true story, they probably had to use their smarts to get by in difficult situations.