Complete filmography
Everything Pat O'Brien is credited on. Titles we have reviewed carry their Fi1m score; press Request a review on any other and it goes on our list.
1980s
Ragtime 1981as Delmas
Scout's Honor 1980as Mr. Caboose
1970s
WKRP in Cincinnati 1978SeriesActor · 1 ep
The End 1978as Ben Lawson
Billy Jack Goes to Washington 1977as President of the Senate
Kiss Me... Kill Me 1976as Jimmy, the morgue attendant
The Sky's the Limit 1975as Abner Therman
Happy Days 1974SeriesActor · 2 eps
Amanda Fallon 1973as Emory
Banyon 1972SeriesActor · 1 ep
The Adventures of Nick Carter 1972as Hallelujah Harry
Welcome Home, Johnny Bristol 1972as Sgt. McGll
Alias Smith and Jones 1971SeriesActor · 1 ep
The Phynx 1970as Pat O’Brien
McCloud 1970SeriesActor · 1 ep
1960s
The Over the Hill Gang 1969as Captain Oren Hayes
Town Tamer 1965as Judge Murcott
Branded 1965SeriesActor · 1 ep
Kraft Suspense Theatre 1963Seriesas Lt. John Curwood, Inspector Dan Zarilla · 1 ep
Going My Way 1962SeriesActor · 1 ep
The Virginian 1962Seriesas J. Jimerson Jones, Doc Bigelow · 1 ep
The Road to Hong Kong 1962as Chinese Restaurateur (uncredited)
Babe Ruth Story: That Ever Livin' Babe 1962as Narrator
The Best of the Post 1960Seriesas Mike Breen · 1 ep