- Chorus of Teatro Colon, Richard Tucker, Fernando Previtali, Mignon Dunn, Giulio Viamonte, Victorio Bacciato, Virgilio Tavini, Mario Verazzi, Aldo Protti, Guerrino Boschetti, Norman Scott, Gré Brouwenstijn, Ruzena Horakova, Orchestra of the Teatro Cólon
