Theatre de Lys, Ivor David Balding for The Establishment Theatre Co. Inc. (directors: Ivor David Balding, Peter Cook, Joseph E. Levine) (by arrangement with Lucille Lortel Productions, Inc.) presents John Colicos in "Serjeant Musgrave's Dance," by John Arden, with Thomas Barbour, W.B. Brydon, David Doyle, Dan Durning, Jeanne Hepple, Charlotte Jones, Terry Lomax, John P. Ryan, Roy R. Scheider, Leigh Wharton, Walter Hadler, Roger Hamilton, Paul Hecht, Simm Landres, directed by Stuart Burge, scenery by Ed Wittstein, costumes by Theoni V. Aldredge, lighting by Jules Fisher, music by Dudley Moore, dances by Rhoda Levine, production manager Charles Maryan, associate producers: Peter L. Bellwood, Thomas Burrows, Jay Stanwyck.