The Secret of Santa Vittoria (1969)
The Secret of Santa Vittoria is a 1969 film (produced by Metro Goldwyn Mayer), and distributed by United Artists. It was produced and directed by Stanley Kramer and co-produced by George Glass from a screenplay by Ben Maddow and William Rose. It was based on the best-selling novel by Robert Crichton. The music score was by Ernest Gold and the cinematography by Giuseppe Rotunno.
More at Wikipedia.