Cast
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.
Bob Steele (Acting)
Guinn "Big Boy" Williams (Acting)
Lucile Browne (Acting)
Jack Mulhall (Acting)
Purnell Pratt (Acting)
Robert Frazer (Acting)
J. Carrol Naish (Acting)
Bob Kortman (Acting)
Lafe McKee (Acting)
Edward Hearn (Acting)
Kernan Cripps (Acting)
Edward Peil Sr. (Acting)
Jack Mower (Acting)
Jack Perrin (Acting)
22 December 1933
13 September 2023
25 October 2024
1 June 1990
9 May 1997
7 February 2024
15 January 2025
14 December 2023
12 February 1998
2 November 2023
7 October 2024
30 May 2024
17 January 1986
24 January 2024
17 May 1950
16 September 2021
4 October 2023
4 April 2024
5 January 1974
30 October 2024
21 December 1933