John B. O'Brien (13 Desember 1884 – 15 Augustus 1936) was 'n Amerikaanse akteur, regisseur, en skrywer. Hy was bekend vir sy rolle in die rolprente Destiny's Toy (1916), Bab's Diary (1917), Father Tom (1921), en The Handicap (1925). 1911: The Infant at Snakeville 1914: Imar the Servitor 1915: The Foundling 1915: Her Shattered Idol 1915: The Outcast 1916: Destiny's Toy 1916: The Big Sister 1916: The Eternal Grind 1916: The Flying Torpedo 1916: The Foundling 1916: Hulda from Holland 1916: Vanity 1917: Bab's Diary 1917: Maternity 1917: Queen X 1917: Souls Triumphant 1917: The Buffalo Bill Show 1917: Her Sister 1917: The Unforseen 1917: Mary Lawson's Secret 1917: Reputation 1917: Daughter of Maryland 1918: The Girl and the Judge 1918: The Inn of the Blue Moon 1918: The Street of Seven Stars 1919: Impossible Catherine 1919: The Bishop's Emeralds 1920: Bride 13 1920: Wings of Pride 1921: Father Tom 1921: Annabelle Lee 1921: A Daughter of the Law 1921: The Family Closet 1921: Lonely Heart 1921: Thunder Island 1922: The Bride's Play 1924: Those Who Dare 1925: The Handicap 1925: Action Galore 1925: Daring Days 1925: The Desert Demon 1925: The Galloping Jinx 1925: The Outlaw's Daughter 1925: Reckless Courage John B. O'Brien in die Internet-rolprentdatabasis