The Mystery Squadron

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.

Top Cast

Bob SteeleFred Cromwell

Guinn 'Big Boy' WilliamsBill 'Jellybean' Cook

Lucile BrowneDorothy Gray

Jack MulhallHenry 'Hank' Davis

Purnell PrattLafe Johnson

Robert FrazerDr. Flint

J. Carrol NaishCollins

Bob KortmanBracken