Plot
The heroine had little time for romancing newspaper reporter Walter Jameson, what with Doctor X, alias Marcus Del Mar, threatening American democracy in general and master detective Craig Kennedy's designs for a new torpedo in particular. Whenever Doctor X has Elaine or Jameson in his grasp, they are inevitably saved in the nick of time by a mystery figure garbed in black.
Trailer
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Cast
Pearl White
Elaine Dodge
Creighton Hale
Walter Jameson
Lionel Barrymore
Marcus Del Mar / Mr. X
Arnold Daly
Detective Craig Kennedy
Warner Oland
Bessie Wharton
Aunt Josephine
George B. Seitz
Betty Borden
Howard Cody
Paul Everton
Robin H. Townley
Louis Wolheim
