The Girl Spy Before Vicksburg is a 1910 American silent film produced by Kalem Company of New York and shot at the company's "winter studio" in Jacksonville, Florida. Directed by Sidney Olcott, the Civil War drama stars Gene Gauntier, Robert Vignola and JP McGowan. Gauntier, in addition to performing as the production's title character, is credited with writing its storyline or "scenario".
A full copy of this film, although with Dutch intertitles, is held at the EYE Filmmuseum in Amsterdam.
"In the absence of men, a Civil War commander asks his daughter (The Girl Spy) to sabotage a gunpowder transport. The girl disguises herself as a soldier and completes her task. After a dangerous escape, she returns to her crying mother."