It's a great film. And I highly recommend it. It dramatizes some aspects of St. Augustine's life and stays pretty faithful to the autobiographical and historical information that we have, though perhaps there is some element of creativity. I'll try and write a full review of the film as I watch it again through Youtube.
The film itself (in Spanish):
Sorry the audio is a bit off on some of these films. The version I saw wasn't as distracting :-(.
Augustine: The decline of the Roman Empire (part 1) [Spanish]
Augustine: The Decline of the Roman Empire (part 2) [in Spanish]
Movie Review: [Coming soon!]