Diễn viên
Richard Fiske
Bart Davis
James Craig
John Cummings
Sammy McKim
Billy McKay
John Tyrrell
Williams
John Dilson
Dr. Alexander Craig
Robert Paige
Hal Andrews / The Black Falcon
Stanley Brown
Charles Bronson
Don Beddoe
W. S. Hamilton
Dick Curtis
Korman
Ann Doran
Hamilton's Secretary
Eddie Laughton
Hall
Lorna Gray
Babs McKay
Forbes Murray
Marvin Brewster / The Professor
Beatrice Blinn
Brewster's Secretary
Eddie Fetherston
Borden