![John B. O'Brien Portrait of John B. O'Brien](http://mail.actoragecheck.com/limage/L2FhWTdnTTEzVXg1dGN2NDZadzU5SGR3NWFjay5qcGcAACh231.jpg)
Movies (Acting Roles)
Sorted by Release Date![Saturday's Lesson Poster of Saturday's Lesson](http://mail.actoragecheck.com/image/L3o0ZTk5czZ5SWtvVTh3Nlk2ZGlMc0FnQXpHMy5qcGcAACh231.jpg)
Saturday's Lesson
John B. O'Brien was 44 in Saturday's Lesson as 'The Devil'.Movie Released: Sat, Nov 09 1929
![Cat, Dog & Co. Poster of Cat, Dog & Co.](http://mail.actoragecheck.com/image/L2lvTEJ4UlRGaVc2bWRvSjlDNU5TQWFGVjhFaC5qcGcAACh231.jpg)
Cat, Dog & Co.
John B. O'Brien was 44 in Cat, Dog & Co. as 'Fruit Vendor'.Movie Released: Sat, Sep 14 1929
![The Bride's Play Poster of The Bride's Play](http://mail.actoragecheck.com/image/LzZKelQ2a09oTm5Mc3ZsN1ZEQWZkem1zOVV4Ti5qcGcAACh231.jpg)
The Bride's Play
John B. O'Brien was 37 in The Bride's Play as 'Marquis of Muckross'.Movie Released: Sun, Jan 22 1922
![A Daughter of the Law Poster of A Daughter of the Law](http://mail.actoragecheck.com/image/LzNtUlR2alZHR2ZRU3NsSTBWZE41UTkzZlBiUS5qcGcAACh231.jpg)
A Daughter of the Law
John B. O'Brien was 36 in A Daughter of the Law as 'Jim Garth'.Movie Released: Tue, Nov 01 1921
![Why Girls Leave Home Poster of Why Girls Leave Home](http://mail.actoragecheck.com/image/LzhHc3RWT2xxS2ZQTDVxQjd0NzJzZ2p2U1VaYi5qcGcAACh231.jpg)
Why Girls Leave Home
John B. O'Brien was 36 in Why Girls Leave Home as 'Joseph'.Movie Released: Sun, Sep 04 1921
![Annabelle Lee Poster of Annabelle Lee](http://mail.actoragecheck.com/image/LzhjeEVieEZjMXdia1Eyd3p1djJYTW1xRTh0ci5qcGcAACh231.jpg)
Annabelle Lee
John B. O'Brien was 36 in Annabelle Lee as 'David Martin'.Movie Released: Fri, May 20 1921
![The Stealers Poster of The Stealers](http://mail.actoragecheck.com/image/L21GQ0RIVzF1OTJQZXBJWnhRTEpDeXhCRzhVMC5qcGcAACh231.jpg)
The Stealers
John B. O'Brien was 35 in The Stealers as 'Man of Dawn'.Movie Released: Sun, Oct 03 1920
![Wings of Pride Poster of Wings of Pride](http://mail.actoragecheck.com/image/L2w1S3c1M1YySmVRTE4yMW83bWw1MjJvZmtFRS5qcGcAACh231.jpg)
Wings of Pride
John B. O'Brien was 35 in Wings of Pride as 'Kent Ordway'.Movie Released: Sun, Aug 01 1920
![Bab's Diary Poster of Bab's Diary](http://mail.actoragecheck.com/image/L3ZhU2xCODFFRXU5ajVqV0EyMlhqYkY3cE5uei5qcGcAACh231.jpg)
Bab's Diary
John B. O'Brien was 32 in Bab's Diary as 'Harold Valentine'.Movie Released: Sun, Oct 07 1917
![The Second Mrs. Roebuck Poster of The Second Mrs. Roebuck](http://mail.actoragecheck.com/lost-image.jpg)
The Second Mrs. Roebuck
John B. O'Brien was 29 in The Second Mrs. Roebuck Movie Released: Sun, Aug 23 1914
![A Western Redemption Poster of A Western Redemption](http://mail.actoragecheck.com/image/L2twMjVWRUhtc0FmbGdmNVlOclNwa29rMGRRSi5qcGcAACh231.jpg)
A Western Redemption
John B. O'Brien was 26 in A Western Redemption as 'Steve Wilson'.Movie Released: Sat, Oct 21 1911
![Spike Shannon's Last Fight Poster of Spike Shannon's Last Fight](http://mail.actoragecheck.com/image/L1lnb0Vka3o4TVVJVElSTlN2STNNcXpSQkZXLmpwZw=AACh231.jpg)
Spike Shannon's Last Fight
John B. O'Brien was 26 in Spike Shannon's Last Fight as 'The Opponent'.Movie Released: Sat, Aug 26 1911
![The Corporation and the Ranch Girl Poster of The Corporation and the Ranch Girl](http://mail.actoragecheck.com/image/L0l1ekZPakRtUkFoc1IxZzJYQ0tPZEEzUFNjLmpwZw=AACh231.jpg)
The Corporation and the Ranch Girl
John B. O'Brien was 26 in The Corporation and the Ranch Girl Movie Released: Sat, Jul 08 1911
![The Infant at Snakeville Poster of The Infant at Snakeville](http://mail.actoragecheck.com/lost-image.jpg)
The Infant at Snakeville
John B. O'Brien was 26 in The Infant at Snakeville Movie Released: Sat, Jun 03 1911
![The Puncher's New Love Poster of The Puncher's New Love](http://mail.actoragecheck.com/lost-image.jpg)
The Puncher's New Love
John B. O'Brien was 26 in The Puncher's New Love Movie Released: Sat, May 13 1911
![The Indian Maiden's Lesson Poster of The Indian Maiden's Lesson](http://mail.actoragecheck.com/lost-image.jpg)
The Indian Maiden's Lesson
John B. O'Brien was 26 in The Indian Maiden's Lesson Movie Released: Sat, Apr 22 1911
![Across the Plains Poster of Across the Plains](http://mail.actoragecheck.com/image/L2gyVVRKWmFsRjN4cVBFMGZ3dGJHVVRPbEp5LmpwZw=AACh231.jpg)
Across the Plains
John B. O'Brien was 26 in Across the Plains as 'The Cowboy's Friend'.Movie Released: Tue, Apr 11 1911
![The Count and the Cowboys Poster of The Count and the Cowboys](http://mail.actoragecheck.com/lost-image.jpg)
The Count and the Cowboys
John B. O'Brien was 26 in The Count and the Cowboys Movie Released: Sat, Jan 07 1911
![A Cowboy's Vindication Poster of A Cowboy's Vindication](http://mail.actoragecheck.com/lost-image.jpg)
A Cowboy's Vindication
John B. O'Brien was 25 in A Cowboy's Vindication Movie Released: Sat, Dec 10 1910
![Circle C Ranch's Wedding Present Poster of Circle C Ranch's Wedding Present](http://mail.actoragecheck.com/lost-image.jpg)
Circle C Ranch's Wedding Present
John B. O'Brien was 25 in Circle C Ranch's Wedding Present Movie Released: Sat, Dec 03 1910
![Hank and Lank: As Sandwich Men Poster of Hank and Lank: As Sandwich Men](http://mail.actoragecheck.com/lost-image.jpg)
Hank and Lank: As Sandwich Men
John B. O'Brien was 25 in Hank and Lank: As Sandwich Men as 'The Cook'.Movie Released: Tue, Nov 22 1910
![Pals of the Range Poster of Pals of the Range](http://mail.actoragecheck.com/lost-image.jpg)
Pals of the Range
John B. O'Brien was 25 in Pals of the Range as 'Jack Hartley'.Movie Released: Sat, Oct 22 1910
![A Flirty Affliction Poster of A Flirty Affliction](http://mail.actoragecheck.com/lost-image.jpg)
A Flirty Affliction
John B. O'Brien was 25 in A Flirty Affliction as 'Officer O'Rourke'.Movie Released: Wed, Sep 21 1910
![The Pony Express Rider Poster of The Pony Express Rider](http://mail.actoragecheck.com/lost-image.jpg)
The Pony Express Rider
John B. O'Brien was 25 in The Pony Express Rider as 'Pony O'Brien'.Movie Released: Sat, Sep 17 1910
![Take Me Out to the Ball Game Poster of Take Me Out to the Ball Game](http://mail.actoragecheck.com/lost-image.jpg)
Take Me Out to the Ball Game
John B. O'Brien was 25 in Take Me Out to the Ball Game Movie Released: Wed, Aug 24 1910
![The Dumb Half Breed's Defense Poster of The Dumb Half Breed's Defense](http://mail.actoragecheck.com/lost-image.jpg)
The Dumb Half Breed's Defense
John B. O'Brien was 25 in The Dumb Half Breed's Defense Movie Released: Sat, Aug 20 1910
![The Count That Counted Poster of The Count That Counted](http://mail.actoragecheck.com/lost-image.jpg)
The Count That Counted
John B. O'Brien was 25 in The Count That Counted Movie Released: Wed, Aug 17 1910
![Under Western Skies Poster of Under Western Skies](http://mail.actoragecheck.com/lost-image.jpg)
Under Western Skies
John B. O'Brien was 25 in Under Western Skies as 'The Bartender'.Movie Released: Sat, Aug 06 1910
![The Bad Man's Last Deed Poster of The Bad Man's Last Deed](http://mail.actoragecheck.com/lost-image.jpg)
The Bad Man's Last Deed
John B. O'Brien was 25 in The Bad Man's Last Deed Movie Released: Sat, Jul 02 1910
![The Ranchman's Feud Poster of The Ranchman's Feud](http://mail.actoragecheck.com/lost-image.jpg)
The Ranchman's Feud
John B. O'Brien was 25 in The Ranchman's Feud as 'Jack Matthews'.Movie Released: Sat, Jun 11 1910
![Away Out West Poster of Away Out West](http://mail.actoragecheck.com/lost-image.jpg)
Away Out West
John B. O'Brien was 25 in Away Out West as 'Second Prospector'.Movie Released: Sat, Jun 04 1910
![The Little Doctor of the Foothills Poster of The Little Doctor of the Foothills](http://mail.actoragecheck.com/lost-image.jpg)
The Little Doctor of the Foothills
John B. O'Brien was 25 in The Little Doctor of the Foothills Movie Released: Sat, May 21 1910
![The Cowpuncher's Ward Poster of The Cowpuncher's Ward](http://mail.actoragecheck.com/lost-image.jpg)
The Cowpuncher's Ward
John B. O'Brien was 25 in The Cowpuncher's Ward Movie Released: Sat, May 14 1910
![The Cowboy's Sweetheart Poster of The Cowboy's Sweetheart](http://mail.actoragecheck.com/lost-image.jpg)
The Cowboy's Sweetheart
John B. O'Brien was 25 in The Cowboy's Sweetheart Movie Released: Sat, Apr 23 1910
![The Bad Man and the Preacher Poster of The Bad Man and the Preacher](http://mail.actoragecheck.com/lost-image.jpg)
The Bad Man and the Preacher
John B. O'Brien was 25 in The Bad Man and the Preacher as 'Snake Williams'.Movie Released: Sat, Apr 16 1910
![Method in His Madness Poster of Method in His Madness](http://mail.actoragecheck.com/lost-image.jpg)
Method in His Madness
John B. O'Brien was 25 in Method in His Madness as 'Man Outside Third Bar'.Movie Released: Wed, Mar 16 1910
![The Mexican's Faith Poster of The Mexican's Faith](http://mail.actoragecheck.com/image/LzNScHVMcTZTWXM4TTExeGhDNW1iOU5UWWsxNC5qcGcAACh231.jpg)
The Mexican's Faith
John B. O'Brien was 25 in The Mexican's Faith as 'The Scoundrel'.Movie Released: Sat, Feb 26 1910
![The Cowboy and the Squaw Poster of The Cowboy and the Squaw](http://mail.actoragecheck.com/lost-image.jpg)
The Cowboy and the Squaw
John B. O'Brien was 25 in The Cowboy and the Squaw Movie Released: Sat, Feb 19 1910
![The Outlaw's Sacrifice Poster of The Outlaw's Sacrifice](http://mail.actoragecheck.com/image/LzJkSVgzVHpkR2VmY0hrUmZWWnVVN0xqYWlNYy5qcGcAACh231.jpg)
The Outlaw's Sacrifice
John B. O'Brien was 25 in The Outlaw's Sacrifice as 'The Rival'.Movie Released: Sat, Jan 29 1910
![Won by a Hold-Up Poster of Won by a Hold-Up](http://mail.actoragecheck.com/lost-image.jpg)
Won by a Hold-Up
John B. O'Brien was 25 in Won by a Hold-Up as 'Bill's Friend'.Movie Released: Wed, Jan 19 1910
![The Heart of a Cowboy Poster of The Heart of a Cowboy](http://mail.actoragecheck.com/lost-image.jpg)
The Heart of a Cowboy
John B. O'Brien was 25 in The Heart of a Cowboy Movie Released: Sat, Dec 25 1909
![The Ranchman's Rival Poster of The Ranchman's Rival](http://mail.actoragecheck.com/lost-image.jpg)
The Ranchman's Rival
John B. O'Brien was 24 in The Ranchman's Rival as 'Walter Milton'.Movie Released: Sat, Dec 11 1909
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages