theater or acting classes help.
The other, harder part is going out an auditioning.

1.) Get Polaroid-size photos of yourself done on a digital camera, both in color and black and white. Be sure to follow the rules of getting a headshot. Details here: http://www.ehow.com/how_5212_head-shot.h...

2.) Type up an acting resume. Like this:

2.) Type up an acting resume. Like this:
http://www.actorspages.org/resume.php

Subscribe to:
http://www.backstage.com/
http://www.variety.com/
These publications list job offerings all the time.

5.) Stay away from Barbizon, John Robert Powers, e

etc. and anyone else that wants you to pay $15,000 for classes on how to hold a tea cup and put on stage makeup. If you want real acting classes, either go to AFI (http://www.afi.edu/) or pay someone privately who has placed an ad in Backstage.