Overdrawn at the Memory Bank

Overdrawn at the Memory Bank is a 1984 science fiction television film starring Raul Julia and Linda Griffiths. Based on the 1976 John Varley short story of the same name from the Eight Worlds series, the film takes place in a dystopian future where an employee at a conglomerate gets trapped inside the company's computer and ends up affecting the real world.

Source: Wikipedia — Overdrawn at the Memory Bank (CC BY-SA 4.0)