Comtra Theatre,

Route 19 in Cranberry Township, is staging "Wizard of Oz" through Saturday. Shows start at 7:30 p.m. Fridays and Saturdays. Tickets are $12. The next show will be a comedy, "Drop Dead," from Sept. 10 to 25. Call 724-773-9896.

Red Barn Theateris staging "Glengarry Glen Ross," a drama by David Mamet, through Sunday at the barn theater, 3101 McCully Road, Allison Park. Individual tickets cost $12 for adults and $9 for senior citizens and students. Call 412-487-4390.

New Castle Playhouse,202 E. Long Ave., New Castle, is staging "The Seven Year Itch" through Sunday. Tickets for the comedy cost $13 for adults and $11 for senior citizens and children. Call 724-654-3437 between 9 a.m. and 5 p.m. for reservations. The show begins at 8 p.m. Friday and Saturday and Sept. 3 and 4, as well as at 3 p.m. Sunday and Sept. 5.