The film describes how resistance fighter Knut Magne Haugland operated an illegal telegraph station on the roof of the National Hospital in 1944 during World War II.
| Actor | Role |
|---|---|
| TTor Erik MathiesenPer | Per |
| KKari ØksnevadAnne Aulie | Anne Aulie |
 Rolf KirkvaagTore Aulie | Tore Aulie |
 Alf MallandFrimann | Frimann |
 Henny MoanFrimanns kjæreste | Frimanns kjæreste |
 Egil Hjorth-JenssenEliassen | Eliassen |
| EEva RødlandNot listed | Not listed |
 Kari SimonsenNot listed | Not listed |
 Tom TellefsenNot listed | Not listed |
| KKjetil Bang-HansenNot listed | Not listed |
 Aud SchønemannSykepleier | Sykepleier |
| JJulie ØksnesNot listed | Not listed |
| SSverre ShetlingNot listed | Not listed |
 Sverre HolmNot listed | Not listed |
| IIvar SvendsenPer | Per |
| JJon BerleNot listed | Not listed |
| JJens GjersløvNot listed | Not listed |
| HHelena KragNot listed | Not listed |
| GGry EngerNot listed | Not listed |
| EErik Melbye BrekkeNot listed | Not listed |
| EEdith AadlandNot listed | Not listed |
| TTørres AadlandNot listed | Not listed |
| GGordon MartinNot listed | Not listed |
| EEileen SmmottNot listed | Not listed |
| AAugust FrommNot listed | Not listed |
| DDetman LiodeltNot listed | Not listed |
| FFranz FaberNot listed | Not listed |