
The Mystery Squadron (1933)
Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.
Actors: Bob Steele, Guinn "Big Boy" Williams, Lucile Browne, Jack Mulhall, Purnell Pratt, Robert Frazer, J. Carrol Naish, Bob Kortman, Lafe McKee, Edward Hearn
Country: United States of America