The Mystery Squadron
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.
- 类型: 动作, 悬疑
- 导演: Colbert Clark
- 演员: Bob Steele, Guinn "Big Boy" Williams, Lucile Browne, Jack Mulhall, Purnell Pratt
- 国家: United States