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 1961 Language German Creative/Crew Conductor Leopold Ludwig Stage Director(s) Dino Yannopoulos Designer Harry Horner Chorus Director Vincenzo Giannini Costumers Goldstein & Co. Cast Jaquino, prison gatekeeper David Thaw Marzelline, daughter of Rocco Marilyn Horne Rocco, chief jailer Otto von Rohr Leonore (disguised as Fidelio), Florestan's wife Gré Brouwenstijn Don Pizarro, Governor of the State Prison Paul Schoeffler First Prisoner Raymond Manton Second Prisoner Andrew Foldi Florestan, a Spanish nobleman Fritz Uhl Don Fernando, minister of Spain Kieth Engen Show Dates Wed, Nov 15 1961, 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 -- A square before the fortress Notes Beethoven's Leonore Overture No. 3 will be played between Scene 1 and Scene 2 of the second act. Kieth Engen's first name IS correctly spelled. He changed the spelling during his career in German opera houses.