Anthony Hopkins is an exceptional, commanding actor and captured the many rollercoaster emotions and facets of dementia...being his old charming, vibrant self one moment and being a walking fragile shell of a person, losing his self and mind in confusion and paranoia in another instant unsettling moment. His Best Actor Oscar is so well deserved though I love Chadwick Boseman and hoped his last great role could have garnered him an Oscar. This movie is truthful, moving, searing in heartbreak and gives you an unflinching sliver of taste of what dementia does to the poor sufferer and those around him/her...the terrible constant confusion, constant struggle and every momentary painful down spiral suffering of both the Father and his devoted, loving caregiver daughter that so many real people face daily. I cried at the end because Hopkins' performance is so deeply vulnerable and achingly sad. This movie is powerful, painfully sad and so well acted by all the actors...hopefully it will also help spark more resources, greater compassion, patience and understanding from having experienced perspective from this movie's masterful storytelling.