Pat J. O'Brien

Doomed Caravan

1941

as Jim Ferber

Bury Me Not on the Lone Prairie

1941

as Bill Salters

Hawaiian Buckaroo

1938

as Steve Wainwright (as Pat O'Brien)

Bar 20 Justice

1938

as Frazier

Panamint's Bad Man

1938

as Adams - Mine Owner

Flaming Frontiers

1938

as Henchman Harper

Tim Tyler's Luck

1937

as Patrolman Berry

Outlawed Guns

1935

as Babe Rivers (as Pat O'Brien)

Tailspin Tommy in The Great Air Mystery

1935

as Milt Howe

The Roaring West

1935

as Cowhand Steve

The Freckled Rascal

1929

as Jim Kane

Shadows of the West

1921

as Jim Kern