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