Jeff Bailey is a fictional character from the classic film noir movie, "Out of the Past," released in 1947. He is portrayed by actor Robert Mitchum and serves as the film's protagonist. Jeff is a former private detective who becomes entangled in a web of deceit and danger when his past catches up with him. In the film, Jeff Bailey is depicted as a complex character with a troubled history. He is drawn back into a world of crime and betrayal when he is approached by Kathie Moffat, played by Jane Greer, who is linked to his past. The story explores themes of love, betrayal, and the consequences of one's choices.