Helpful Links for Actors:
Websites for Actors: Dramasites.com
LA Casting - online submission/casting site - most commercials are cast through here.
Actors Access - online submission/casting site - most TV and Film projects are cast through their parent company, Breakdown Services
Actors Access/Showfax Message Board - Also check out the weekly columns by casting directors.
BackstageWest Message Board - Search for the dirt on your favorite acting school!
Samuel French - Books, publications, plays...
Other Links to Help Your Acting :
HollywoodHappyHour (join the email list)
Craigslist LA buy, sell, rent, trade, give away, take... it's all on craigslist
Mandy.com , mostly tech resources
Don Lemmon - Crazy Nutritionist
EasyBackgroundCheck.com - List several scam modeling agencies
California talent agency license database - Searchable