John B. "Jack" O'Brien (December 13, 1884 – August 15, 1936) was an American actor and film director of the silent era. He appeared in more than 80 films between 1909 and 1936. He also directed 53 films between 1914 and 1926.
1929
as The Devil
1929
as Fruit Vendor
1922
as Marquis of Muckross
1921
as Jim Garth
1921
as David Martin
1920
as Man of Dawn
1920
as Lt. Bob Norton
1920
as Kent Ordway
1917
as Harold Valentine
1914
1911
as Steve Wilson
1911
as The Opponent
1911
1911
1911
1911
1911
1911
1911
1911
as The Cowboy's Friend
1911
1911
1911
1910
1910
1910
as The Cook
1910
1910
1910
as Jack Hartley
1910
as Officer O'Rourke
1910
1910
as Pony O'Brien
1910
1910
1910
1910
as The Bartender
1910
1910
1910
as Jack Matthews
1910
as Second Prospector
1910
1910
1910
1910
as Snake Williams
1910
1910
as Man Outside Third Bar
1910
as The Scoundrel
1910
1910
as The Rival
1910
as Bill's Friend
1910
1909
1909
as Walter Milton
1909
1909