At 23, this is Amy Carson's first major role. Anna Gottlieb, the soprano who sang the role of Pamina in the original production, was 17; at 12 she had sung a major role in Mozart's earlier opera "The Marriage of Figaro".
Cameo: [James Conlon] The conductor appears as an officer, reassuring the nervous private at the end of the long tracking shot during the chorus in the trench.
The film was funded by the Peter Moores Foundation. This institution has backed a number of operatic recordings in English released on CD. Although this Magic Flute is the Foundation's first film, it is actually the second recording of the opera (the first released on CD in 2005). The cast for the film is entirely new.
In the final shot, a wire was rigged in order to hold the wooden flute out of frame after it had been thrown into the air by Joseph Kaiser. However, on the first run the wire snapped and the flute fell and hit Amy Carson on the head. Exhibiting considerable professionalism Carson sat down for a moment to compose herself before the shot was attempted again - this time with Kaiser dropping the flute out of frame before pretending to throw it.
The 'singing sandbags' in the rainy trench are digitised impositions of the faces of the two Armed Men, Keel Watson and Peter Wedd.