John B. O'Brien
- Directing
- December 13, 1884 · Roanoke, Virginia, USA
- August 15, 1936
Known for
Filmography
- Saturday's Lesson · The Devil
- Cat, Dog & Co. · Fruit Vendor
- Jim Hood's Ghost · Director
- Mountain Molly O' · Director
- Daring Days · Director
- The Outlaw's Daughter · Director
- Those Who Dare · Director
- The Black Bag · Martin
- The Bride's Play · Marquis of Muckross
- Lonely Heart · Director
- A Daughter of the Law · Jim Garth
- The Family Closet · Director
- Why Girls Leave Home · Joseph
- Annabelle Lee · David Martin
- The Stealers · Man of Dawn
- Bride 13 · Lt. Bob Norton
- Wings of Pride · Kent Ordway
- Impossible Catherine · Director
- The Bishop's Emeralds · Director
- The Street of Seven Stars · Director
- A Daughter of Maryland · Director
- The Unforseen · Director
- Bab's Diary · Harold Valentine
- Queen X · Director
- Reputation · Director
- Maternity · Director
- Souls Triumphant · Director
- Mary Lawson's Secret · Director
- The Big Sister · Director
- Hulda from Holland · Director
- Destiny's Toy · Director, Writer
- The Eternal Grind · Director
- Vanity · Director
- The Flying Torpedo · Director
- The Foundling · Director
- Captain Macklin · Director
- The Folly of Anne · Director
- The Tear That Burned · Director
- A Mother's Influence · Director
- For Her Father's Sins · Director
- Back to the Kitchen · Director
- Sierra Jim's Reformation · Director
- The Second Mrs. Roebuck · Director
- The Mystery of the Hindu Image · Director
- The Angel of Contention · Director
- The Different Man · Director
- Life on the Circle Ranch in California · Director
- The Buffalo Bill Show · Director
- A Western Redemption · Steve Wilson
- Spike Shannon's Last Fight · The Opponent
- The Corporation and the Ranch Girl
- The Tribe's Penalty
- The Infant at Snakeville
- The Lucky Card
- Alkali Ike's Auto
- The Puncher's New Love
- The Indian Maiden's Lesson
- Across the Plains · The Cowboy's Friend
- The Sheriff's Chum
- The Faithful Indian
- The Count and the Cowboys
- A Cowboy's Vindication
- Circle C Ranch's Wedding Present
- Hank and Lank: As Sandwich Men · The Cook
- The Masquerade Cop
- The Silent Message
- Pals of the Range · Jack Hartley
- A Flirty Affliction · Officer O'Rourke
- A Close Shave
- The Pony Express Rider · Pony O'Brien
- Take Me Out to the Ball Game
- The Dumb Half Breed's Defense
- The Count That Counted
- Under Western Skies · The Bartender
- The Bad Man's Last Deed
- The Forest Ranger
- The Ranchmen's Feud · Jack Matthews
- Away Out West · Second Prospector
- The Little Doctor of the Foothills
- The Cowpuncher's Ward