Book for Actors: Movie Extra 101 - Your Short Cut to Stardom - By Gary Smith - http://www.chatgrispress.com/Books/Movie_Extra_101/Movie_Extra_101.htm

Actor's Resources:

SAG   www.sag.org
AFTRA www.aftra.org
AEA www.actorsequity.org
ACTRA www.actra.ca
AGMA www.musicalartists.org
WGA www.wga.org
DGA www.dga.org
SSDC www.ssdc.org
PGA www.ssdc.org
CDG www.costumedesignersguild.com
Association of Talent Agents www.agentassociation.com
Talent Managers Association www.talentmanagers.org
Academy Players Directory www.playersdirectory.com
Breakdown Services www.breakdownservices.com
Casting Society of America www.castingsociety.com
Hollywood Reporter www.hollywoodreporter.com
Variety www.variety.com
Hollywood Creative Directory www.hcdonline.com
Backstage West www.backstage.com
American Film Institute www.afi.com
Women in Film www.wif.org