Special Guest Stars Howard Keel as Clayton Farlow Mary Crosby as Kristin Shepard William Smithers as Jeremy Wendell Guest Stars Susan Howard as Donna Culver Audrey Landers as Afton Cooper Morgan Woodward as Marvin "Punk" Anderson Leigh McCloskey as Mitch Cooper Jared Martin as Dusty Farlow Susan Flannery as Leslie Stewart Joe Warren as Senator Dickson David Healy as Senator Harbin Jay Varela as Senator Arvilla Len Birman as Claude Brown James Hong as Ambassador Byron Morrow as Emmett Co Starring Tyler Banks as John Ross Ewing III Sherril Lynn Rettino as Jackie Dugan Deborah Tranelli as Phyllis Wapner Don Starr as Jordan Lee Fern Fitzgerald as Marilee Stone Meg Gallagher as Louella Caraway Lee James Brown as Detective Harry McSween Tom Fuccello as Dave Culver John Hart as Senator Carson John Trujillo as TBD William Boyett as Gibson Christopher Thomas as Mailman Danny Tolkan as Mailman