Pat J. O'Brien

Bury Me Not on the Lone Prairie

1941 · Bill Salters

Doomed Caravan

1941 · Jim Ferber

Panamint's Bad Man

1938 · Adams - Mine Owner

Flaming Frontiers

1938 · Henchman Harper

Bar 20 Justice

1938 · Frazier

Hawaiian Buckaroo

1938 · Steve Wainwright (as Pat O'Brien)

Tim Tyler's Luck

1937 · Patrolman Berry

Tailspin Tommy in The Great Air Mystery

1935 · Milt Howe

Outlawed Guns

1935 · Babe Rivers

The Roaring West

1935 · Cowhand Steve

The Freckled Rascal

1929 · Jim Kane