I, the Jury is a 1982 American neo-noir crime thriller film based on the 1947 best-selling detective novel of the same name by Mickey Spillane. The story was previously filmed in 3D in 1953. Larry Cohen wrote the screenplay and was hired to direct, but was replaced when the film's budget was already out of control after one week of shooting. He was replaced at short notice by veteran TV director Richard T. Heffron.

Michael Hammer is a fictional character created by the American author Mickey Spillane. Hammer debuted in the 1947 book I, the Jury. Hammer is a no-holds-barred private investigator who carries a Colt .45 M1911A1 in a shoulder holster under his left arm. His love for his secretary Velda is outweighed only by his willingness to kill a killer. Hammer's best friend is Pat Chambers, Captain of NYPD Homicide. Hammer was a World War II army veteran who spent two years fighting jungle warfare in the Pacific Ocean theater of World War II against Japan.