Find actors to work with
Backstage: 50-mile radius of Asheville
Actors looking for work
Here are the acting agencies I know about in the area.
Asheville: The Actor's Center of Asheville and Screen Artists Talent
Charlotte/Raleigh: Bold Talent and Carolina Talent Agency
Greenville: Above the Line Talent and Millie Lewis
Hickory: Brock Agency
And places to find work, though I can't speak to their efficacy:
The Mountain Xpress also has an Auditions section of their Community Calendar that you could try.
Find crew to work with
North Carolina Film Office: Crew Listing (WNC region)
Crew looking for work
ProductionHUB: Directory
Staff Me Up: Jobs
Stage 32: Asheville, Charlotte