has she been a part of any films?
Yes, "One of Our Girls", "Niobe", "Clarissa"
Hazel Dawn
She made her screen debut as Kate Shipley in "One of Our Girls" (1914). Her association with Famous Players-Lasky film company dated from this movie. Dawn followed this role with others in "Niobe" (1915), "Clarissa" (1915), and "The Masqueraders" (1915). "Niobe" is the screen version of a play written by Harry and Edward S. Paulton. 
what is "the demi-virgin"? It is a three-act play who wrote it? Avery Hopwood who were the cast members? Hazel Dawn
wiki:22858077
Hazel Dawn [SEP] Transition to film
She made her screen debut as Kate Shipley in "One of Our Girls" (1914). Her association with Famous Players-Lasky film company dated from this movie. Dawn followed this role with others in "Niobe" (1915), "Clarissa" (1915), and "The Masqueraders" (1915). "Niobe" is the screen version of a play written by Harry and Edward S. Paulton. She made "The Fatal Card" (1915) with Paramount Pictures. In "My Lady Incog" (1916), Dawn played a female detective in a motion picture that is a mystery film, comedy, and a romance. Playing the character Nell Carroll, she co-starred with George Majeroni. In "The Lone Wolf" (1917), she acts with Bert Lytell in an adaptation of a novel by Louis Joseph Vance.