Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob, and fiancé, Bert Moore, help with the search. They unearth a scheme to kidnap another girl, Natalie Van Cleef, and the evidence takes Bob and Bert to an estate on Long Island.
The Red Circle is a birthmark, on the hand of the heroine, noticeable only in times of stress and ex...
The heroine had little time for romancing newspaper reporter Walter Jameson, what with Doctor X, ali...
Paris is prey to an invisible terror against which the police can do nothing: a sinister organizatio...
Irrepressible Helen Rhinelander, the daughter of a railroad president. A dastardly villain, Segrue, ...
The forerunner of all serials, What Happened to Mary was a series of twelve monthly one reel episode...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
Dick Tracy battles spies and saboteurs in his efforts to bring to justice the Stark gang, a criminal...
Miracles of the Jungle is a 1921 serial film
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
The manager of The Big Circus plots to marry the owner's daughter and gain control of the outfit.
Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928, ...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is dev...
Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is hel...
Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...