Pat J. O'Brien
Acting
Acting
Bury Me Not on the Lone Prairie
Bill Salters
1941
Doomed Caravan
Jim Ferber
1941
Panamint's Bad Man
Adams - Mine Owner
1938
Flaming Frontiers
Henchman Harper
1938
Bar 20 Justice
Frazier
1938
Hawaiian Buckaroo
Steve Wainwright (as Pat O'Brien)
1938
Tim Tyler's Luck
Patrolman Berry
1937
Tailspin Tommy in The Great Air Mystery
Milt Howe
1935
Outlawed Guns
Babe Rivers
1935
The Roaring West
Cowhand Steve
1935
The Freckled Rascal
Jim Kane
1929
The House of Terror
1928
Marry in Haste
1924
Shadows of the West
Jim Kern
1921