John B. O'Brien

Directed

1. Reputation (1917) — Director
2. The Outlaw's Daughter (1925) — Director
3. The Different Man (1914) — Director
4. The Unforseen (1917) — Director
5. The Mystery of the Hindu Image (1914) — Director
6. Mary Lawson's Secret (1917) — Director
7. Those Who Dare (1924) — Director
8. Life on the Circle Ranch in California (1912) — Director
9. Jim Hood's Ghost (1926) — Director
10. Impossible Catherine (1919) — Director
11. The Angel of Contention (1914) — Director
12. The Folly of Anne (1914) — Director
13. The Buffalo Bill Show (1912) — Director
14. A Daughter of Maryland (1917) — Director
15. The Family Closet (1921) — Director
16. Lonely Heart (1921) — Director
17. Vanity (1916) — Director
18. The Bishop's Emeralds (1919) — Director
19. Daring Days (1925) — Director
20. The Street of Seven Stars (1918) — Director
21. The Second Mrs. Roebuck (1914) — Director
22. Sierra Jim's Reformation (1914) — Director
23. For Her Father's Sins (1914) — Director
24. A Mother's Influence (1914) — Director
25. The Eternal Grind (1916) — Director
26. Back to the Kitchen (1914) — Director
27. Destiny's Toy (1916) — Director
28. The Flying Torpedo (1916) — Director
29. Souls Triumphant (1917) — Director
30. Hulda from Holland (1916) — Director
31. The Foundling (1916) — Director
32. The Tear That Burned (1914) — Director
33. Captain Macklin (1915) — Director
34. Queen X (1917) — Director
35. Maternity (1917) — Director
36. The Big Sister (1916) — Director
37. Mountain Molly O' (1926) — Director

Also appeared in

1. The Bride's Play (1922) — Marquis of Muckross
2. Saturday's Lesson (1929) — The Devil
3. Cat, Dog & Co. (1929) — Fruit Vendor
4. Alkali Ike's Auto (1911)
5. Annabelle Lee (1921) — David Martin
6. A Daughter of the Law (1921) — Jim Garth
7. The Masquerade Cop (1910)
8. Hank and Lank: As Sandwich Men (1910) — The Cook
9. Circle C Ranch's Wedding Present (1910)
10. The Best Man Wins (1909)
11. His Reformation (1909)
12. The Ranchman's Rival (1909) — Walter Milton
13. The Heart of a Cowboy (1909)
14. Electric Insoles (1910)
15. Won by a Hold-Up (1910) — Bill's Friend
16. Method in His Madness (1910) — Man Outside Third Bar
17. The Bad Man and the Preacher (1910) — Snake Williams
18. The Little Doctor of the Foothills (1910)
19. Away Out West (1910) — Second Prospector
20. The Bad Man's Last Deed (1910)
21. The Count That Counted (1910)
22. A Flirty Affliction (1910) — Officer O'Rourke
23. A Close Shave (1910)
24. Bride 13 (1920) — Lt. Bob Norton
25. Wings of Pride (1920) — Kent Ordway
26. The Stealers (1920) — Man of Dawn
27. Why Girls Leave Home (1921) — Joseph
28. The Black Bag (1922) — Martin
29. Pals of the Range (1910) — Jack Hartley
30. The Silent Message (1910)
31. A Cowboy's Vindication (1910)
32. The Count and the Cowboys (1911)
33. The Mexican's Faith (1910) — The Scoundrel
34. Across the Plains (1911) — The Cowboy's Friend
35. The Sheriff's Chum (1911)
36. The Indian Maiden's Lesson (1911)
37. The Puncher's New Love (1911)
38. The Lucky Card (1911)
39. The Infant at Snakeville (1911)
40. The Tribe's Penalty (1911)