I recommend these acting teachers. I have either studied with them or observed them teaching. I also have many students who have worked with these teachers. All are in Los Angeles unless otherwise noted.
Stuart Rogers: stuartrogersstudios.com
Richard Seyd: seydways.com - LOS ANGELES, SAN FRANCISCO
Kim Gillingham: creativedreamwork.com
Jamie Rose: jrosestudio.com
Larry Moss: larrymoss.org
The Actors Center: theactorscenter.org - NEW YORK
Actor Business Training:
These coaches help artists sort out the administrative/career parts of their life.
Dawn Andrews: FreeRangeThinking.com
Benjamin Mathes: crashacting.com/career
Dallas Travers - Sage Creative Services: DallasTravers.com
This site has a collection of resources: everthing from training to agent listings to petcare to photographers. Some of the resources require a fee.
The Actors Network: Actors-Network.com
Casting Sites (and Sides):
These are sites used by actors and casting directors. These sites have many resources related to the industry. Some of these sites charge a fee for some services, and some services are free.
Actors Access: ActorsAccess.com
LA Casting: LACasting.com
Now Casting: NowCasting.com
Sag Indie: SagIndie.org
Plays, Scripts, Monologues:
Movie and television scripts as well as Shakespeare's plays/monologues.
Daily Script: dailyscript.com
Drew's Script-O-Rama: script-o-rama.com
Shakespeare First Folio online: internetshakespeare.uvic.ca
Shakespeare Monologues online: shakespeare-monologues.org
Shakespeare Complete Works online: shakespeare.mit.edu
Simply Scripts: simplyscripts.com
Note: I do not receive compensation for providing these links.