stunt casting
n.— «Stunt casting—as it is called (when producers bring into celebrities from other arenas to help beef up the box-office of aging shows)—is becoming commonplace on Broadway. It has been the key to the winning formula of “Chicago.”» —“Brian Mcknight: ‘black’ On ‘the Great White Way’” by Karu F. Daniels AOL Black Voices Nov. 9, 2007. (source: Double-Tongued Dictionary)