The Glass Cell (German: Die gläserne Zelle) is a 1978 West German crime film directed by Hans W. Geißendörfer and starring Brigitte Fossey, Helmut Griem, and Dieter Laser.

The film tells the story of architect Phillip Braun, who is released from prison after serving five years.

He was convicted for a fatal accident at a construction site, though in reality, the responsibility lay with the developer Lasky.

Phillip suspects his wife of infidelity with his lawyer and best friend David during his incarceration.

As Lasky begins to blackmail him, Phillip feels increasingly cornered and searches for a way out.