The United Kingdom premiere of "Der Rosenkavalier" occurred at the Royal Opera House in London on 29 January 1913. Thomas Beecham conducted the performance and the cast included Margarethe Siems as the Marschallin and Caroline Hatchard as Sophie. The United States premiere took place at the Metropolitan Opera on the following 9 December in a production conducted by Alfred Hertz. The cast included Frieda Hempel as the Marschallin, Margarethe Arndt-Ober as Octavian, and Anna Case as Sophie. A number of Italian theatres produced the work for the first time in the 1920s, including the Teatro Lirico Giuseppe Verdi (1921), Teatro Regio di Torino (1923), Teatro di San Carlo (1925), and the Teatro Carlo Felice (1926).