sentences:  "On the Razzle" opened on September 18, 1981 at the Royal National Theatre in London, with Felicity Kendal switching genders to star as Christopher.Other cast members included Dinsdale Landen as Herr Zangler, Michael Kitchen as Melchior, Ciaran Madden as Mme.Knorr, Meg Wynne Owen as Frau Fischer, and Alfred Lynch as Weinberl.