Act I
Licia Albanese, Arturo Toscanini, Jan Peerce, Salvatore Baccaloni, NBC Symphony Orchestra, Anne McKnight, Francesco Valentino, Nicola Moscona, George Cehanovsky, NBC Chorus
Act II
Arturo Toscanini, Salvatore Baccaloni, Licia Albanese, NBC Chorus, Nicola Moscona, George Cehanovsky, Francesco Valentino, NBC Symphony Orchestra, Jan Peerce, Anne McKnight
Act III
Francesco Valentino, NBC Chorus, Jan Peerce, Anne McKnight, Salvatore Baccaloni, Licia Albanese, George Cehanovsky, Nicola Moscona, Arturo Toscanini, NBC Symphony Orchestra
Act IV
Nicola Moscona, Francesco Valentino, NBC Symphony Orchestra, Salvatore Baccaloni, NBC Chorus, Jan Peerce, Arturo Toscanini, Anne McKnight, George Cehanovsky, Licia Albanese