Eileen Farrell
Student at Mme. Gilly's / Voice of Marjorie Lawrence (voix)
Bess Flowers
Party Guest (non-crédité)
Gilbert Russell
Manrico in 'Il trovatore'
Gene Roth
King Marke in 'Tristan und Isolde' (non-singing scene)
Tudor Williams
King Marke in 'Tristan und Isolde' (singing scene)
Jeanne Determann
Soprano in 'Tristan und Isolde'
Jean Bonacorsi
Contralto in 'Tristan und Isolde'
Joseph Gaudio
Samson in 'Samson et Dalila'