Tom Hanks's Dr. Robert Langdon is at it again in "Angels & Demons," which is directed by Ron Howard and based on Dan Brown's mystery novel (Howard's "The Da Vinci Code" came first on screen, though it was based on Brown's book that came after 2000's "Angels & Demons" in print).

From left: Director Ron Howard, actor Tom Hanks, actress Ayelet Zurer, and producer Brian Grazer at the May 7 Tokyo premiere at the Marunouchi Building.

Read the Globe's review: In 'Angels & Demons,' Ron Howard exorcises what's best about the book"