Composer Giacomo Puccini Librettists Luigi Illica and Giuseppe Giacosa Based On the drama La Tosca by Victorien Sardou Company San Francisco Opera Association Touring Location Los Angeles, CA Venue Shrine Auditorium Season 1951 Language Italian Creative/Crew Conductor Fausto Cleva Stage Director(s) Armando Agnini Chorus Director Kurt Herbert Adler Cast Floria Tosca, a celebrated singer Dorothy Kirsten Mario Cavaradossi, a painter Jan Peerce Baron Scarpia, Chief of Police Robert Weede Cesare Angelotti, a political prisoner Desire Ligeti Sacristan Salvatore Baccaloni Spoletta, a Police Agent Alessio De Paolis Sciarrone, a gendarme George Cehanovsky Jailer Yi-Kwei Sze Shepherd Dorothy Throndson Show Dates Wed, Oct 31 1951, 8pm Time and Place Rome, 1800 Scenes Act I -- Interior of the Church of St. Andrea Act II -- A Room in Scarpia's Apartments in the Farnese Palace Act III -- A Terrace of the Castel Sant'Angelo, outside the Prison Notes Miss Kirsten's costumes (for "Tosca") by Valentina