| Date of Birth | 11-November-1899 | |
| Place of Birth |
Milwaukee (Wisconsin, United States of America, Area code 414) |
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| Nationality | United States of America | |
| Also know as | William Joseph Patrick O'Brien, Hollywood's Irishman in Residence, The Irish Mafia | |
| Profession | Actor | |
| Pat O’Brien was an American film actor with more than one hundred screen credits. | ||
Awards by Pat O'Brien |
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| Check all the awards nominated and won by Pat O'Brien. | ||||||||||
1974
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