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 1960 Language Italian Creative/Crew Conductor Silvio Varviso Stage Director(s) Paul Hager Chorus Director Vincenzo Giannini Musical Preparation Otto Guth Marcel Frank Costumers Goldstein & Co. Cast Floria Tosca, a singer Floriana Cavalli Dorothy Kirsten(11/13) Mario Cavaradossi, a painter Giuseppe Zampieri Baron Scarpia, Chief of Police Tito Gobbi Robert Weede(11/13) Cesare Angelotti, a political prisoner Andrew Foldi Sacristan Salvatore Baccaloni Spoletta Howard Fried Sciarrone Ned Romero Jailer James Standard Voice of a Shepherd James Waring Show Dates Fri, Nov 4 1960, 8pm Sun, Nov 13 1960, 3pm Time and Place Rome, 1800 Scenes Act I -- Interior of the Church of Sant'Andrea della Valle Act II -- Room in Scarpia's apartments in the Farnese palace Act III -- Terrace of the Sant'Angelo castle, outside the prison Notes San Francisco Opera Boys Choristers and Pasadena Boy Choristers Major intermission after Act I