
John B. O'Brien
- Known for
- Directing
- Born
- December 13, 1884
- Died
- August 15, 1936
- Birthplace
- Roanoke, Virginia, USA
Filmography

Saturday's Lesson 1929
as The Devil

Cat, Dog & Co. 1929
as Fruit Vendor
- Jim Hood's Ghost
Jim Hood's Ghost 1926
Director
- Mountain Molly O'
Mountain Molly O' 1926
Director
- Daring Days
Daring Days 1925
Director

The Outlaw's Daughter 1925
Director

Those Who Dare 1924
Director

The Black Bag 1922
as Martin

The Bride's Play 1922
as Marquis of Muckross

Lonely Heart 1921
Director

A Daughter of the Law 1921
as Jim Garth

The Family Closet 1921
Director

Why Girls Leave Home 1921
as Joseph

Annabelle Lee 1921
as David Martin

The Stealers 1920
as Man of Dawn

Bride 13 1920
as Lt. Bob Norton

Wings of Pride 1920
as Kent Ordway

Impossible Catherine 1919
Director

The Bishop's Emeralds 1919
Director

The Street of Seven Stars 1918
Director

A Daughter of Maryland 1917
Director

The Unforseen 1917
Director

Bab's Diary 1917
as Harold Valentine

Queen X 1917
Director

Reputation 1917
Director

Maternity 1917
Director

Souls Triumphant 1917
Director

Mary Lawson's Secret 1917
Director

The Big Sister 1916
Director

Hulda from Holland 1916
Director

Destiny's Toy 1916
Director, Writer

The Eternal Grind 1916
Director

Vanity 1916
Director

The Flying Torpedo 1916
Director

The Foundling 1916
Director
- Captain Macklin
Captain Macklin 1915
Director
- The Folly of Anne
The Folly of Anne 1914
Director

The Tear That Burned 1914
Director
- A Mother's Influence
A Mother's Influence 1914
Director
- For Her Father's Sins
For Her Father's Sins 1914
Director
- Back to the Kitchen
Back to the Kitchen 1914
Director
- Sierra Jim's Reformation
Sierra Jim's Reformation 1914
Director
- The Second Mrs. Roebuck
The Second Mrs. Roebuck 1914
Actor, Director

The Mystery of the Hindu Image 1914
Director

The Angel of Contention 1914
Director
- The Different Man
The Different Man 1914
Director
- The Buffalo Bill Show
The Buffalo Bill Show 1912
Director

Life on the Circle Ranch in California 1912
Director

A Western Redemption 1911
as Steve Wilson

Spike Shannon's Last Fight 1911
as The Opponent

The Corporation and the Ranch Girl 1911
Actor
- The Tribe's Penalty
The Tribe's Penalty 1911
Actor
- The Infant at Snakeville
The Infant at Snakeville 1911
Actor
- The Lucky Card
The Lucky Card 1911
Actor

Alkali Ike's Auto 1911
Actor
- The Puncher's New Love
The Puncher's New Love 1911
Actor
- The Indian Maiden's Lesson
The Indian Maiden's Lesson 1911
Actor

Across the Plains 1911
as The Cowboy's Friend
- The Sheriff's Chum
The Sheriff's Chum 1911
Actor
- The Faithful Indian
The Faithful Indian 1911
Actor
- The Count and the Cowboys
The Count and the Cowboys 1911
Actor
- A Cowboy's Vindication
A Cowboy's Vindication 1910
Actor
- Circle C Ranch's Wedding Present
Circle C Ranch's Wedding Present 1910
Actor
- Hank and Lank: As Sandwich Men
Hank and Lank: As Sandwich Men 1910
as The Cook
- The Masquerade Cop
The Masquerade Cop 1910
Actor
- The Silent Message
The Silent Message 1910
Actor
- Pals of the Range
Pals of the Range 1910
as Jack Hartley
- A Close Shave
A Close Shave 1910
Actor
- A Flirty Affliction
A Flirty Affliction 1910
as Officer O'Rourke
- The Pony Express Rider
The Pony Express Rider 1910
as Pony O'Brien
- Take Me Out to the Ball Game
Take Me Out to the Ball Game 1910
Actor
- The Dumb Half Breed's Defense
The Dumb Half Breed's Defense 1910
Actor
- The Count That Counted
The Count That Counted 1910
Actor
- Under Western Skies
Under Western Skies 1910
as The Bartender
- The Bad Man's Last Deed
The Bad Man's Last Deed 1910
Actor
- The Forest Ranger
The Forest Ranger 1910
Actor
- The Ranchmen's Feud
The Ranchmen's Feud 1910
as Jack Matthews
- Away Out West
Away Out West 1910
as Second Prospector
- The Little Doctor of the Foothills
The Little Doctor of the Foothills 1910
Actor
- The Cowpuncher's Ward
The Cowpuncher's Ward 1910
Actor
- The Cowboy's Sweetheart
The Cowboy's Sweetheart 1910
Actor
- The Mistaken Bandit
The Mistaken Bandit 1910
Actor
- The Bad Man and the Preacher
The Bad Man and the Preacher 1910
as Snake Williams
- Method in His Madness
Method in His Madness 1910
as Man Outside Third Bar

The Mexican's Faith 1910
as The Scoundrel
- The Cowboy and the Squaw
The Cowboy and the Squaw 1910
Actor

An Outlaw's Sacrifice 1910
as The Rival
- Won by a Hold-Up
Won by a Hold-Up 1910
as Bill's Friend
- Electric Insoles
Electric Insoles 1910
Actor
- The Heart of a Cowboy
The Heart of a Cowboy 1909
Actor
- The Ranchman's Rival
The Ranchman's Rival 1909
as Walter Milton
- His Reformation
His Reformation 1909
Actor
- The Best Man Wins
The Best Man Wins 1909
Actor
Credits from TMDB.