The People Against O'Hara is a 1951 American crime film noir directed by John Sturges and based on the 1950 novel of the same name by Eleazar Lipsky. The film features Spencer Tracy, Pat O'Brien, John

William Joseph Patrick O'Brien was an American film actor with more than 100 screen credits. Of Irish descent, he often played Irish and Irish-American characters and was referred to as "Hollywood's I