Back to peoplePat O'BrienKnown forActingBornNovember 10, 1899DiedOctober 15, 1983Place of birthMilwaukee, Wisconsin, USABiographyLife and careerPat 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.Filmography2 filmsAll2Acting2Ragtime1981as DelmasSome Like It Hot1959as Detective Mulligan