Composer Ludwig van Beethoven Librettists Joseph Sonnleithner and Georg Friedrich Treitschke Based On "Léonore, ou L'Amour Conjugal" by Jean Nicolas Bouilly Company San Francisco Opera Association Touring Location Los Angeles, CA Venue Shrine Auditorium Season 1951 Language German Creative/Crew Conductor Alfred Wallenstein Stage Director(s) William Wymetal Chorus Director Kurt Herbert Adler Technical Director Armando Agnini Cast Florestan, a Spanish nobleman Set Svanholm Leonore, his wife, known as Fidelio Astrid Varnay Don Pizarro, Governor of the State Prison Herbert Janssen Rocco, chief jailer Dezso Ernster Marzelline, daughter of Rocco Uta Graf Jaquino, prison gatekeeper James Schwabacher Don Fernando, Prime Minister of Spain Desire Ligeti First Prisoner Ernest Lawrence Second Prisoner Yi-Kwei Sze Show Dates Thu, Oct 25 1951, 8pm Time and Place About 1800; Near Seville, Spain Scenes Act I -- Courtyard of the State Prison Act II, Scene 1 -- A Dungeon in the Prison Scene 2 -- Before the Prison Notes Leonore Overture No. 3 will be played between Scenes a and 2, Act III