"MARKED FOR DOOM! Careers smashed...Romances broken...A lurking figure that strikes with sudden swiftness in the night...Suspense!...Mystery!...Excitement!"
An architect (Chick Chandler) studies the doors of six shops and an apartment house to solve a gem theft/double murder.
Chick Chandler
Jimmy McMillan
June Clyde
Mary Rawling
George Meeker
Charles Eaton
Michael Raffetto
Capt. Wm. Jaffe
Gregory Gaye
Henry Butler aka Gregor (as Gregory Gay)
Edgar Dearing
Claude Burns
Rebel Randall
Mable De Rose
Milton Wallace
Donald Adams
Casey MacGregor
Timothy Green
Gene Roth
Detective Morgan (uncredited)
Chick Chandler
Jimmy McMillan
June Clyde
Mary Rawling
George Meeker
Charles Eaton
Michael Raffetto
Capt. Wm. Jaffe
Gregory Gaye
Henry Butler aka Gregor (as Gregory Gay)
Edgar Dearing
Claude Burns
Rebel Randall
Mable De Rose
Milton Wallace
Donald Adams
Casey MacGregor
Timothy Green
Gene Roth
Detective Morgan (uncredited)
