THE MYSTERY SQUADRON
12 CHAPTER SERIAL
1933

PLOT:
The Mystery Squadron, a group of airborne vigilantes, begins a series of attacks on a major construction project. Their mysterious leader, known only as "The Black Ace," conceals his identity behind a mask. The project foreman hires stunt flyers Fred Cromwell (Bob Steele) and Bill Cook (Guinn "Big Boy" Williams) to deal with this aerial menace. Their mission is jeopardized when the two pilots are ac-cused of being members of the gang. Fred and Bill must uncover the true identity of the Black Ace before they face a lynch mob them-selves.

CAST:
Bob Steele ... Fred Cromwell
Guinn 'Big Boy' Williams... Bill 'Jellybean' Cook (
Lucile Browne ... Dorothy Gray
Jack Mulhall ... Henry 'Hank' Davis
Purnell Pratt ... Lafe Johnson
Robert Frazer ... Dr. Flint
J. Carrol Naish ... Collins
Bob Kortman ... Bracken
Lafe McKee ... Stephen Gray
Edward Hearn ... Sheriff [Chs. 2-3, 12]
Kernan Cripps ... Tom
Edward Peil Sr. ... Martin (hotel clerk)
Jack Mower ... Henchman Carter
Jack Perrin ... Roberts (a Mystery Flyer)

CHAPTER TITLES:
1. The Black Ace
2. The Fatal Warning
3. The Black Ace Strikes
4. Men of Steel
5. The Death Swoop
6. Doomed
7. Enemy Signals
8. Canyon of Calamity
9. Secret of the Mine
10.Clipped Wings
11.The Beast at Bay
12.The Ace of Aces

RUNNING TIME: 220 MIN