Otto Grothe, a well-known local Jacksonville actor who had worked for several studios in the city, appeared in Thanhouser’s The Oval Diamond, produced in Jacksonville in 1915 and 1916.
Otto Grothe
A Thanhouser Company player, credited on one Thanhouser film. A print survives in an archive, but it is not online.
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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