A good accomplish though following a worn out procedure in terms of bonus for DVD's: interviews with director/writer, actors, revealing about the challenges of adapting the play to the big screen; the cast talk about their excitement in being part of an acclaimed project, their inspirations in composing the characters they were playing so and so.
The surprising factors comes from hearing that Sister James (character played by Amy Adams in "Doubt") was modeled on one of director John Patrick Shanley's teachers at a Catholic school during the 1960's, year the movie takes place - the real Sister James appears in the documentary and also in the documentary "The Sisters of Charity" (also present as bonus material); and that the director was a little reluctant in casting Viola Davis in what would turn out to be considered one of the greatest performances of that year and one of her most important roles up until then, becoming a mainstream name. Fun to watch. 9/10