Internet Movie DataBase:
http://www.imdb.com
A really amazing and exhaustive site with extensive information on just about everything related to the craft, the people and film history.

Art Historian's Guide to the Movies
http://personal1.stthomas.edu/cdeliason/ahgttm.htm
The Art Historians' Guide to the Movies is a record of appearances of and references to famous works of art and architecture in the movies. It is intended to be a source for teachers of art history who are considering showing clips or entire films as part of their presentation of the traditional arts of painting, sculpture, and architecture.

Cinema Sites:
http://www.cinema-sites.com/
This simply designed site provides links to databases, reviews, previews, studios, producers and many other resources on the Internet.

Cinemedia:
http://www.cinemedia.org
A zany site that bills itself as the Internet's largest film and media directory. Links to films, foreign cinema, directors, organizations and festivals, along with many other resources, can be found here.

Box Office Guru:
http://www.boxofficeguru.com/
Provides statistics and information on recent releases for both domestic and international films.

Mega Media Links:
http://www.rtvf.nwu.edu/
Follow the “Links” link to find an exhaustive searchable electronic center for resources in electronic media-including film.

Box Office Statistics:
http://www.vex.net/~odin/Gross/
You can find out what films earned starting in the year 1900 here.

Screensite
http://www.screensite.org/
An academically-inclined reference site for film and television study. Go here to sign up for the Screen-L LISTSERV, a discussion list for film scholars.

Movies.net
http://www.movies.net/
Tons of links to stars, studios, movie memorabilia, guilds, and production resources.

All-Movie Guide
http://ALLMOVIE.com/
Similar to Internet Movie Database, it also includes numerous essays, a glossary and a personalized cable guide.

World Cinema
http://www.geocities.com/Paris/Metro/9384/home.htm
A reference guide to world cinema.While the selection of films is rather limited, the site provides convenient search options.

The Flying Inkpot's Incredible Movie Links Page
http://inkpot.com/movielinks/
Lists of links for studios, international cinema, reviews, film festivals, academic topics, multimedia, and screenwriting resources.

Entertainment Link
http://www.entertainmentlink.co.uk/film/
More and more links.

Relevant Yahoo Sites

Genres:
http://www.yahoo.com/Entertainment/Movies_and_Film/Genres/

Film Titles:
http://www.yahoo.com/Entertainment/Movies_and_Film/Titles/

Actors:

http://www.yahoo.com/Entertainment/Actors_and_Actresses/

Studios:

http://www.entsweb.co.uk/cinema/studios/