BOB MONDELLO, BYLINE: When Laszlo Toth staggers up to the ship's deck after his transatlantic voyage in 1947, leaving concentration camps behind, the first thing he sees is the Statue of Liberty.

In some ways, the Bob Dylan biopic “A Complete Unknown” is a family drama. The director James Mangold saw the climax of the film, Dylan’s performance at the 1965 Newport Folk Festival, where ...