An escaped convict assumes the identity of a professor in order to reveal a criminal syndicate who smuggle diamonds together with Parisian haute couture.
| Actor | Role |
|---|---|
 Jan MalmsjöPeter Flink | Peter Flink |
 Sven LindbergJens Polster-Jensen | Jens Polster-Jensen |
 Catrin WesterlundLena Holmes | Lena Holmes |
 Sif RuudLucie | Lucie |
 Ulf PalmeRoger | Roger |
 Gunnar SjöbergFrancesco Felici | Francesco Felici |
 Toivo PawloGeorges | Georges |
 Keve HjelmSosostro | Sosostro |
 Margit CarlqvistBetty | Betty |
 Elsa PrawitzNinon | Ninon |
 Ingvar KjellsonPrison warden | Prison warden |
 Tor IsedalSerini | Serini |
 Björn GustafsonLa bẽte | La bẽte |
 Axel DübergMouche | Mouche |
 Liane LindenRoger's secretary | Roger's secretary |
 Peter LindgrenJohansson (uncredited) | Johansson (uncredited) |
 Carl-Axel ElfvingCutter (uncredited) | Cutter (uncredited) |
 Georg SkarstedtGold smith (uncredited) | Gold smith (uncredited) |
 Hanny SchedinIrate hotel guest (uncredited) | Irate hotel guest (uncredited) |
| BBirger SahlbergConference member (uncredited) | Conference member (uncredited) |