After an eight-month stay in a mental hospital, a tormented man comes home to live with his sister; but a mysterious boarder may be trying to kill him.
| Actor | Role |
|---|---|
 Vadim GlownaAlex | Alex |
 Else QueckeOlli | Olli |
 Heinz MeierDaniel Levy | Daniel Levy |
| MMarianne BlomquistNot listed | Not listed |
| BBurghardt NaafNot listed | Not listed |
| WWerner SommerDr. Wolheim | Dr. Wolheim |