 | Christopher Plummer als Kaptain Behounek |
 | Thomas Hellberg als Dalgren |
 | Carolyn Seymour als Danica |
 | Fernando Rey als Bidara |
 | Per Oscarsson als Sixto |
 | Sten Johan Hedman als Lopez (as Sten Hedman) |
 | Walter Gotell als Frankenheimer |
 | Lauritz Falk als de Maré |
 | Palle Granditsky |
| Rosette Graboi |
| Gabor Vernon |
| Johan Clason |
| Miguel Franco |
 | Kevork Malikyan |
 | Stefan Gryff |
| David Swift |
 | Sandor Elès |
| Stefan Böhm |
 | Monica Nielsen |
| Brian Hawksley |
| George Bisset |
| Fernando Santos |
 | Sérgio Godinho |
 | Artur Semedo |
| Per Englund |
| Steve Jansson |
| Mats Arehn | Director |
| Ingemar Ejve | Screenplay |
| Per Wahlöö | Novel |
| Mats Arehn | Screenplay |
| Lars-Magnus Jansson | Screenplay |
| Olle Unnerstad | Sound |
| Kjell Gustavsson | Makeup Artist |
| Ulla-Britt Söderlund | Costume Design |
| Ulf Axén | Art Direction |
| Ingemar Ejve | Editor |
| Lennart Carlsson | Director of Photography |
| Allan Pettersson | Original Music Composer |
| Ingemar Ejve | Producer |