Bibi Andersson, the luminous Swedish actress who personified first purity and youth, then complexity and disillusionment, in 13 midcentury Ingmar Bergman films, died on Sunday in Stockholm. She was 83... Her emotionally complex role in “Persona” (1966), the film that made her acting reputation, was one of the great stereotype reversals in film history, a definite departure for the thirtyish Ms. Andersson, who had begun acting in her teens. Before that film, Bergman had given her roles “symbolizing simple, girlish things,” she told The New York Times in 1977. “I used to be called a ‘professional innocent.’” ...