Composer Amilcare Ponchielli Librettist Arrigo Boito Based On the play "Angelo, Tyran de Padoue" by Victor Hugo Company San Francisco Opera Association Touring Location Los Angeles, CA Venue Shrine Auditorium Season 1947 Language Italian Creative/Crew Conductor Dick Marzollo Stage Director(s) Armando Agnini Set Designer(s) Armando Agnini Eugene Dunkel Choreographer Willam Christensen Chorus Director Kurt Herbert Adler Cast La Gioconda, a ballad singer Stella Roman La Cieca, her blind mother Margaret Harshaw Alvise, a leader of the Inquisition Nicola Moscona Laura Adorno, his wife Blanche Thebom Enzo Grimaldo, a Genoese noble Kurt Baum Barnaba, a spy of the Inquisition Leonard Warren Zuane, a boatman Patrick McVey Cantor Norman Benson Isepo, a public letter-writer George Tallone Pilot Robin Nelson Monk Desire Ligeti Voice Evaristo Alibertini George Tallone Show Dates Mon, Oct 20 1947, 8pm Time and Place Venice Scenes Act I -- Courtyard of Ducal Palace Act II -- Lagoon near City -- Night Act III, Scene 1 -- Room in Palace of Alvise Scene 2 -- Great Hall in the Ca d'Oro Act IV -- A Ruined Palace on an Island near Venice Notes Sets painted by Eugene Dunkel and constructed in the Studios of the San Francisco Opera Association Corps de Ballet