John Niblack appeared in the Thanhouser film, The Barrier of Flames, according to an article in the New Rochelle Pioneer, September 26, 1914.
John Niblack
A Thanhouser Company player, credited on one Thanhouser film. No print of it is known to survive.
Biography
Q. David Bowers, Thanhouser Films: An Encyclopedia and History. This is the entry in full.
Filmography
Thanhouser films
This has no online copy. Its page says what is known about where a print might be.
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