Mario Lanza

Enrico Caruso

Ann Blyth

Dorothy Benjamin

Dorothy Kirsten

Louise Heggar

Jarmila Novotná

Maria Selka

Richard Hageman

Carlo Santi

Carl Benton Reid

Park Benjamin

Eduard Franz

Giulio Gatti-Casazza

Ludwig Donath

Alfredo Brazzi

Alan Napier

Jean de Reszke

Teresa Celli

Vocalist - Opera Montage

Marina Koshetz

Vocalist - Opera Montage

George Chakiris

Dancer (uncredited)

Mae Clarke

Woman (uncredited)

Bess Flowers

Front Row Audience Member at 'Lucia di Lammermoor' (uncredited)

Nestor Paiva

Egisto Barretto

Pál Jávor

Antonio Scotti

Carl Milletaire

Gino

Angela Clarke

Mama Caruso

Ian Wolfe

Hutchins

Yvette Duguay

Musetta Barretto

Argentina Brunetti

Mrs. Barretto