Three prisoners, all specialists within their area, are freed from prison in a dramatic fashion. But who helped them - and why?
| Actor | Role |
|---|---|
 Lars-Erik BerenettRoland Hassel | Roland Hassel |
 Björn GeddaSimon Palm | Simon Palm |
 Leif LiljerothYngve Ruda | Yngve Ruda |
 Robert SjöblomPelle Pettersson | Pelle Pettersson |
 Allan SvenssonSune Bengtsson | Sune Bengtsson |
 Ingrid JanbellVirena | Virena |
 Sissela KyleGullan | Gullan |
 Carl KjellgrenBo Lennartsson | Bo Lennartsson |
| SSture DjerfFolke Petersén | Folke Petersén |
 Mathias HenriksonArvid Bäckman | Arvid Bäckman |
 Åke LagergrenHugo Börjesson | Hugo Börjesson |
 Gert FylkingLacke Sjöö | Lacke Sjöö |
 Anna-Lena HemströmRitva Torell | Ritva Torell |
 Suzanne ReuterEdith Granlund | Edith Granlund |
 Catherine HanssonAnna-Lotta | Anna-Lotta |
| KKarin SjöbergNot listed | Not listed |
 Per HolmbergNot listed | Not listed |
| CChrister BanckNot listed | Not listed |
| KKent-Arne DahlgrenNot listed | Not listed |
| KKarin EnbergNot listed | Not listed |
| TTore PerssonNot listed | Not listed |
| RRobert GrundinNot listed | Not listed |
| KKarl Erik AndersenNot listed | Not listed |
| PPer BodnerNot listed | Not listed |
| RRolf JennerNot listed | Not listed |
| LLeif SandbergNot listed | Not listed |