"Youth without youth", directed by Francis Ford Coppola

Youth Without Youth is a 2007 film by Francis Ford Coppola, based on the novella of the same name by Romanian author Mircea Eliade.

Youth Without Youth (Romanian: Tinereţe fără tinereţe) is a 1976 novella by Romanian author Mircea Eliade. It follows the life of Dominic Matei, an elderly Bucharest intellectual who experiences a cataclysmic event that allows him to live a new life with startling intellectual capacity. In 2007, it was adapted into a film by Francis Ford Coppola, also titled Youth Without Youth.

Source: wikipedia