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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.
December 21, 1933
Mascot Pictures
14 people
Bob Steele
Fred Cromwell
Acting
Guinn 'Big Boy' Williams
Bill 'Jellybean' Cook
Acting
Lucile Browne
Dorothy Gray
Acting
Jack Mulhall
Henry 'Hank' Davis
Acting
Purnell Pratt
Lafe Johnson
Acting
Robert Frazer
Dr. Flint
Acting
J. Carrol Naish
Collins
Acting
Bob Kortman
Bracken
Acting
Lafe McKee
Stephen Gray
Acting
Edward Hearn
Sheriff
Acting
Kernan Cripps
Tom
Acting
Edward Peil Sr.
Andrew Martin
Acting
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