Bonaldo Giaiotti (Simon Boccanegra)
Justino Diaz (Le Nozze di Figaro)
Raymond Aceto (Macbeth)
Nicolai Ghiaurov, Martti Talvella (Don Carlo)
Adam Plachetka (Rinaldo)
Gottlob Frick (Götterdämmerung)
Sam Ramey (Robert Le Diable)
Adrien Legros (Manon)
Boris Christoff (Boris Godunov)
Paul Plishka (Eugene Onegin)