Special Guest Stars Walter Koenig as Alfred Bester Efrem Zimbalist, Jr. as William Edgars Guest Stars Denise Gentile as Lise Hampton Marjorie Monaghan as Number One Mark Schneider as Wade David Purdham as Captain James Diana Morgan as Alison Higgins Richard Gant as Captain Edward MacDougan Ricco Ross as Captain Leo Frank Co Starring Harlan Ellison as Psi Cop