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

Blanche Thebom

Vocalist - Opera Montage

Teresa Celli

Vocalist - Opera Montage

Nicola Moscona

Vocalist - Opera Montage

Giuseppe Valdengo

Vocalist - Opera Montage

Lucine Amara

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)

William Ripley Dorr

Vocal Ensemble (uncredited)

Nestor Paiva

Egisto Barretto

Hazel Dohlman

Dowager (uncredited)

Pál Jávor

Antonio Scotti

Carl Milletaire

Gino

Shepard Menken

Fucito

Vincent Renno

Tullio

Peter Price

Caruso (as boy)

Mario Siletti

Papa Caruso

Angela Clarke

Mama Caruso

Ian Wolfe

Hutchins

Yvette Duguay

Musetta Barretto

Argentina Brunetti

Mrs. Barretto