What 1951 film based on a Jacques Offenback opera featured Ann Ayars as Antonia?
Ann Ayars:  Later, she sang with the New York City Opera (NYCO), and became known worldwide when she sang and acted the part of Antonia in the 1951 British film "The Tales of Hoffmann". The Tales of Hoffmann (film): The Tales of Hoffmann is a 1951 British Technicolor film adaptation of Jacques Offenbach's opera "The Tales of Hoffmann", written, produced and directed by the team of Michael Powell and Emeric Pressburger working under the umbrella of their production company, The Archers.
The Tales of Hoffmann