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Pat O'Brien
Known for: ActingPat O'Brien (born William Joseph Patrick O'Brien) was an American stage, screen, radio, and television actor. He was a star during the first several years of his film career, the height of his popularity being during the 1930s and 1940s.
Filmography 35
Some Like It Hot
as Detective Mulligan 
Angels with Dirty Faces
as Jerry Connolly 
Ragtime
as Delmas 
Riff-Raff
as Dan Hammer 
Town Tamer
as Judge Murcott 
You Must Remember This: The Warner Bros. Story
as Self (archive footage) 
San Quentin
as Capt. Stephen Jameson 
Knute Rockne All American
as Knute Rockne 
The Boy with Green Hair
as Gramp Fry 
The People Against O'Hara
as Det. Vincent Ricks 
The Last Hurrah
as John Gorman 
Castle on the Hudson
as Warden Walter Long 
American Madness
as Matt Brown 
Crack-Up
as George Steele 
Billy Jack Goes to Washington
as President of the Senate 
The End
as Ben Lawson 
Torrid Zone
as Steve Case 
The Fighting 69th
as Father Duffy 
The Over the Hill Gang
as Captain Oren Hayes 
Bombshell
as Jim Brogan 
The Front Page
as Hildy Johnson 
I've Got Your Number
as Terry Riley 
Devil Dogs of the Air
as Lieut. Brannigan 
The Great O'Malley
as James Aloysius 'Jim' / 'Jimmy' O'Malley 
The World Gone Mad
as Andy Terrell 
Here Comes the Navy
as Biff Martin 
Consolation Marriage
as Steve Porter 
China Clipper
as Dave Logan 
A Dangerous Profession
as Joe Farley 
Ring of Fear
as Frank Wallace 
Okinawa
as Lt. Cmdr. Hale 
Bombardier
as Chick Davis 
Marine Raiders
as Maj. Steve Lockhart 
Women Are Like That
as Bill Landin