Ana Gasteyer in The Royal Family Broadway ShowFormer Saturday Night Live cast member Ana Gasteyer, best known for her impressions of such personalities as Celine Dion and Katherine Harris, is joining the cast of the upcoming Manhattan Theatre Club revival of the classic play The Royal Family. Gasteyer will play Kitty Dean, who is related by marriage to the Cavendishes, the fictional clan of stage celebrities whose exploits are explored in The Royal Family. Written by George S. Kaufman and Edna Ferber, the comedy first appeared on Broadway in 1927 at the Selwyn Theatre (which is now known as the American Airlines Theatre). The new MTC production will begin preview performances at the Samuel J. Friedman Theatre on September 15, with its official Broadway opening on October 8.