Corkscrew Theater Festival is pleased to announce the mainstage casts for its third annual festival, which runs July 10-August 3 at the Paradise Factory (64 East 4th Street, Manhattan). The festival features four world premieres, four workshop productions, and four readings performed in repertory over four weeks, with 80 performances in all. As in past years, special attention has been given to theater makers who are developing work through tight-knit collaborations. Tickets are now on sale.