Pat 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.
Recent movies
| # | Name | Character | Rating |
|---|---|---|---|
| 1 | Classic Movie Bloopers: Uncensored (2013) | Self (archive footage) | - |
| 2 | You Must Remember This: The Warner Bros. Story (2008) | Self (archive footage) | - |
| 3 | The First 100 Years: A Celebration of American Movies (1995) | Self (archive footage) | - |
| 4 | Ragtime (1981) | Delmas | - |
| 5 | The End (1978) | Ben Lawson | 2 |
| 6 | Billy Jack Goes to Washington (1977) | President of the Senate | - |
| 7 | The Adventures of Nick Carter (1972) | Hallelujah Harry | - |
| 8 | The Phynx (1970) | Pat O’Brien | 7 |
| 9 | Some Like It Hot (1959) | Detective Mulligan | 7.9 |
| 10 | The People Against O'Hara (1951) | Det. Vincent Ricks | 5 |
| 11 | The Fireball (1950) | Father O'Hara | - |
| 12 | A Dangerous Profession (1949) | Joe Farley | 3 |
| 13 | The Boy with Green Hair (1948) | Gramp Fry | 5.5 |
| 14 | Riff-Raff (1947) | Dan Hammer | 6 |
| 15 | Crack-Up (1946) | George Steele | 4 |
| 16 | Knute Rockne All American (1940) | Knute Rockne | 3 |
| 17 | Angels with Dirty Faces (1938) | Jerry Connolly | 7.6 |
| 18 | Ceiling Zero (1936) | Jake L. Lee | 6 |
| 19 | Gambling Lady (1934) | Charlie Lang | 5 |
| 20 | Here Comes the Navy (1934) | Biff Martin | 3 |
| 21 | The World Gone Mad (1933) | Andy Terrell | - |
| 22 | Bombshell (1933) | Jim Brogan | 5 |
| 23 | Hell's House (1932) | Matt Kelly | 5 |
| 24 | American Madness (1932) | Matt Brown | 6 |
| 25 | The Front Page (1931) | Hildy Johnson | 4.5 |
