for the alsolute best film resource, go to: imdb.com
thats internet movie database

you can find info on almost anything film/tv related there.

who was in ?, what movies is deniro in?, who directed ?, what other movies did X direct? who was THAT girl in? i liked X, it can recommend Y and Z, list of films by year, awards, etc. reviews by critics and everyday folks. top movie list, even by genere. local movie showtimes, etc. on and on and on .....

you can waste hours and hours there!