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 1952 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 Ferruccio Tagliavini 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 Winther Andersen Shepherd Dorothy Throndson Show Dates Sat, Oct 25 1952, 8:15pm 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 Sant'Angelo Castle, outside the Prison Notes Boys selected from Pasadena Boy Choristers. Miss Kirsten's costumes (for "Tosca") by Valentina.