The Vanishing Legion
A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.
- Year: 1931
- Country: United States of America
- Genre: Action, Mystery, Western, Crime
- Studio: Mascot Pictures
- Keyword: secret identity, movie serial
- Director: B. Reeves Eason, Ford Beebe
- Cast: Harry Carey, Edwina Booth, William Desmond, Frankie Darro, Philo McCullough, Yakima Canutt