Although this was officially Mario Lanza's film debut, he had previously appeared as an uncredited chorus member in Winged Victory. Like the character he plays in the movie, Lanza was an opera singer from an Italian-American family in Philadelphia.
The last film appearance of José Iturbi. Iturbi left Hollywood because his movie appearances were doing damage to his career as a conductor and concert pianist, as music critics were accusing him of "cheap exhibitionism" for appearing in Hollywood films.