- John Lanigan, Michael Langdon, Marian Nowakowski, Ramón Vinay, Rafael Kubelík, Raymond Nilsson, Orchestra of the Royal Opera House, Noreen Berry, Gré Brouwenstijn, Forbes Robinson, Chorus of the Royal Opera House, Otakar Kraus
- Victorio Bacciato, Mignon Dunn, Ruzena Horakova, Gré Brouwenstijn, Fernando Previtali, Giulio Viamonte, Norman Scott, Virgilio Tavini, Orchestra of the Teatro Cólon, Mario Verazzi, Aldo Protti, Guerrino Boschetti, Chorus of Teatro Colon, Richard Tucker
