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)
15 July 2008
22 April 2022
20 December 1996
16 November 2010
19 June 2018
28 October 2021
1 October 2017
4 September 2020
25 June 2019
10 June 2022
10 November 2010
1 June 2012
16 April 2009
13 November 2010
14 June 2021
19 August 2003
14 April 2011
2 November 2022
28 April 2023
28 February 2008
21 December 1933