In the first film, Jack Deth is sent to the past to track down the manufacturer of a drug. When used, the uses becomes a 'Trancer', a ravenous, zombie-like killer. The police force of the future uses a machine to send Jack to the past. When sent 'down the line' into the past, the device seeks out an ancestor of Jack Death whose body he inhabits while working there. In the first 5 films, Jack is portrayed by actor Tim Thomerson in both his future form and in the body he inhabits in the past. In the sixth film, Zette Sullivan portrays the body of the ancestor Jack Deth inhabits, a female version called Jo Deth. The future Jack Deth is still played by Tim Thomerson. Thomerson appears only briefly in an uncredited appearance, utilizing archival footage. Another film, Trancers: City of Lost Ang