Ray Taylor (Director) · James W. Horne (Director) · Sherman L. Lowe (Screenplay) · Robert E. Kent (Screenplay) · Basil Dickey (Screenplay)
Robert Paige
Hal Andrews / The Black Falcon
Richard Fiske
Bart Davis
James Craig
John Cummings
Lorna Gray
Babs McKay
Sammy McKim
Billy McKay
Stanley Brown
Charles Bronson
Don Beddoe
W. S. Hamilton
Forbes Murray
Marvin Brewster / The Professor
Lee Prather
Simmons
Beatrice Blinn
Brewster's Secretary
Ann Doran
Hamilton's Secretary
Dick Curtis
Korman
Eddie Laughton
Hall
John Tyrrell
Williams
Eddie Fetherston
Borden
John Dilson
Dr. Alexander Craig
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Four flying G-Men protect America against enemy spies; one of the four assumes the identity of The Black Falcon, to befuddle the saboteurs even further.
