Personnalité
Pat J. O'Brien
Connu pour

Flaming Frontiers
1938 · Henchman Harper

Bar 20 Justice
1938 · Frazier

Doomed Caravan
1941 · Jim Ferber

Tailspin Tommy in The Great Air Mystery
1935 · Milt Howe

Bury Me Not on the Lone Prairie
1941 · Bill Salters

Hawaiian Buckaroo
1938 · Steve Wainwright (as Pat O'Brien)

Tim Tyler's Luck
1937 · Patrolman Berry
- Fury of the Wild
Fury of the Wild
1929 · Jim Thayer
Filmographie

Bury Me Not on the Lone Prairie
1941 · Bill Salters

Doomed Caravan
1941 · Jim Ferber

Panamint's Bad Man
1938 · Adams - Mine Owner

Hawaiian Buckaroo
1938 · Steve Wainwright (as Pat O'Brien)

Flaming Frontiers
1938 · Henchman Harper

Bar 20 Justice
1938 · Frazier

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
- Fury of the Wild
Fury of the Wild
1929 · Jim Thayer

The Freckled Rascal
1929 · Jim Kane

The House of Terror
1928

Marry in Haste
1924

Shadows of the West
1921 · Jim Kern