Gre Brouwenstijn, Joseph Rouleau, Jeannette Sinclair, Roger Beardsley, Lord Harewood, Carlo Maria Giulini, Orchestra of the Royal Opera House, Covent Garden, Chorus of the Royal Opera House, Covent Garden, Jon Vickers, Fedora Barbieri, Robert Allman, Boris Christoff, Edgar Evans, Tito Gobbi, Ava June & Michael Langdon