I share some of your thoughts. I have seen some Orthodox videos in Greek. One was the life of Saint Mary of Egypt, t
I am having trouble finding a trailer of the Greek movie you mean or a detailed webpage on it. Maybe this is it:
St. Mary of Egypt.flv - YouTube
The first movie above is not clearly actually a trailer , maybe it is just a narration of Mary of Egypt. The second one is a trailer in Ethiopian or Coptic as its dubbing and I don't know the original language.
This looks to be the full movie and its in Arabic with English subbing:
Which one did you mean?