Regina Resnik as Laura and Cesare Siepi as Alvise also were new to the cast, but only with respect to this season ; ;

* 1922 – Regina Resnik, American soprano

The cast included both stage performers: Sally Ann Howes and George Lee Andrews as Desiree and Frederick and opera regular Regina Resnik as Madame Armfeldt ( in 1991 ).

Soloists: Ramón Vinay, Wolfgang Windgassen, Regina Resnik, Astrid Varnay, Hans Hotter, Hermann Uhde, Gustav Neidlinger, Ludwig Weber, Josef Greindl, Gerhard Stolze, Ira Malaniuk, Maria von Ilosvay, Paul Kuën, Rita Streich.

Josephine Barstow, Cecilia Bartoli, Renate Behle, Hildegard Behrens, Denyce Graves, Ghena Dimitrova, Mirella Freni, Renée Fleming, Elizabeth Futral, Susan Graham, Maria Guleghina, Galina Gorchakova, Rita Gorr, Marilyn Horne, Kiri Te Kanawa, Evelyn Lear, Catherine Malfitano, Eva Marton Susanne Mentzer, Leontyne Price, Patricia Racette, Regina Resnik, Leonie Rysanek, Beverly Sills, Elisabeth Soederstrom, Renata Scotto, Frederica von Stade, Joan Sutherland, Ilona Tokody, Béatrice Uria-Monzon, Fernando del Valle, Carol Vaness, Dunja Vejzovic, Ingvar Wixell and Dolora Zajick.

Other notable singers Halasz brought to the NYCO included Frances Bible, Adelaide Bishop, Débria Brown, Mack Harrell, Dorothy Kirsten, Eva Likova, Leon Lishner, Regina Resnik, Norman Scott, Ramon Vinay, and Frances Yeend among others.

The diva made many recordings, including Eugene Onegin ( 1956 and 1970 ), Mussorgsky's Songs and Dances of Death ( 1961 and 1976 ), Britten's War Requiem ( with Sir Peter Pears and Dietrich Fischer-Dieskau, conducted by the composer ; 1963 ), The Poet's Echo ( 1968 ), Mussorgsky's Boris Godunov ( 1970 and 1987 ), Puccini's Tosca ( 1976 ), Tchaikovsky's The Queen of Spades ( with Regina Resnik, 1976 ), Lady Macbeth of Mtsensk ( 1978 ), Tchaikovsky's Iolanta ( with Nicolai Gedda, 1984 ), and Prokofiev's War and Peace ( 1986 ).

Nicolai Gedda sang the lover Anatol, mezzo Regina Resnik sang the Baroness, Vanessa's mother, while bass, Giorgio Tozzi, sang the old doctor.

Among her pupils were Betty Allen, Grace Bumbry, Christa Ludwig, Regina Resnik, Dubravka Zubovic and Milka Stojanovic.

* Verdi: Un ballo in maschera ( as Oscar ), with Luciano Pavarotti, Sherrill Milnes, Renata Tebaldi, Regina Resnik, and Orchestra dell ' Accademia Nazionale di Santa Cecilia, ( con.

* Regina Resnik ( born 1922 ), American opera singer