Casta Diva is a 1935 Italian musical drama film directed by Carmine Gallone and starring Mártha Eggerth, Lamberto Picasso and Gualtiero Tumiati.

[2] An English-language version The Divine Spark was made at the same time, also directed by Gallone and starring Eggerth.

[4] The film's sets were designed by the art directors Werner Schlichting and Enrico Verdozzi.

In Bellini's opera, Norma, the soprano's plea to the moon goddess in Act I begins Casta diva, and the aria is well known by that name.

[5] The film concerns Italian composer Vincenzo Bellini and his problems with his opera Norma (1831), which itself tells the passionate love story of a Gallican priestess of the local Celtic religion and a Roman proconsul (governor of a province).