The Mystery Girl (1918)
Genres: Drama, Silent
Cast: Ethel Clayton, Clarence Burton
The Mystery Girl is a lost 1918 American drama silent film directed by William C. deMille and written by Marion Fairfax and George Barr McCutcheon. The film stars Ethel Clayton, Henry Woodward, Clarence Burton, Charles West, Winter Hall and Mayme Kelso. The film was released on December 22, 1918, by Paramount Pictures.