The Black Secret

The Black Secret (Moving stealthily in the background, always keeping their tracks well covered, the perpetrators of the terrible Black Secret conducted heir campaign with Michiavellian ingenuity.)

Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host"

Top Cast

Pearl White

As Evelyn Ereth

Walter McGrail

As Ray McKay

George B. Seitz

As German spy

Harry Semels

As

Wallace McCutcheon Jr.

As Frederick

Henry G. Sell

As

Marjorie Milton

As

Francis Wightwick

As