Composer Giacomo Puccini Librettists Luigi Illica and Giuseppe Giacosa Based On the drama La Tosca by Victorien Sardou Company San Francisco Opera Association Location San Francisco, CA Venue War Memorial Opera House Season 1957 Language Italian Creative/Crew Conductor Erich Leinsdorf Stage Director(s) Carlo Piccinato Chorus Director Gianni Lazzari Costumers Goldstein & Co. Cast Floria Tosca, a celebrated singer Dorothy Kirsten Mario Cavaradossi, a painter Jan Peerce(10/15) Jon Crain(10/19) Baron Scarpia, Chief of Police Giuseppe Taddei Sacristan Ralph Herbert Cesare Angelotti, a political prisoner Carl Palangi Spoletta, a Police Agent Virginio Assandri Sciarrone, a gendarme Harve Presnell Jailer Harold Enns Voice of a Shepherd Alfredo Fernandez Show Dates Tue, Oct 15 1957, 8:30pm Sat, Oct 19 1957, 8:30pm 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 Acknowledgements GALA PERFORMANCE Honoring the 25th Anniversary of the War Memorial Opera House Opening Notes San Francisco Opera Boys Chorus