Fred Otash (January 6, 1922 – October 5, 1992) was a Los Angeles police officer, private investigator, author, and a WWII Marine veteran, who became known as a Hollywood fixer, while operating as its "most infamous" private detective; he is most remembered as "the inspiration for Jack Nicholson's character Jake Gittes in the film, Chinatown." He has been interviewed numerous times in the media, including, in 1957, by Mike Wallace, which can be viewed online via the University of Texas.