Jack Nicholson's private eye character in the film Chinatown (1974) was based in part on Otash. Otash also appeared occasionally in tough guy film roles.
He wrote a memoir: Investigation Hollywood: Memoirs Of Hollywood's Top Private Detective. He was reportedly hired by Peter Lawford to assist him in covering up Kennedy-related incriminating evidence following the suicide death of Marilyn Monroe.
Private detective.
Was a Hollywood police officer, private investigator, author and part-time character actor who inserted himself into a number of Hollywood scandals.
Worked for Hollywood Research Incorporated, whose clients included the infamous sleaze tabloid Confidential Magazine.