COUNTYComtra Theatre , Route 19 in Cranberry Township, is staging "Grease" through Aug. 14. Shows start at 7:30 p.m. Fridays and Saturdays. Tickets are $12. Call 724-773-9896.Red Barn Theatre on Ellwood-Zelienople Road is staging "The Foreigner," a comedy by Larry Shue, through Saturday. Curtain is at 8 p.m. All seats are reserved. Admission is $9. Call 724-773-7150.Butler Summer Dramatics production of "Peter Pan" starts at 8 p.m. nightly through Saturday at Butler County Community College's Succop Theater. Admission is $10 in advance at Mays Music Shoppe, East Jefferson Street, or at the door if available. Reserved seating only.

PITTSBURGHRed Barn Theater is staging "Rain in the Hollows," a play by Sean O'Leary, through Aug. 8 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.