Pekka Lipponen is trying to trace hidden diamonds before a group of bandits finds them. He enlists his friend Kalle-Kustaa Korkki to help him.
| Actor | Role |
|---|---|
 Joel RinneKalle-Kustaa Korkki | Kalle-Kustaa Korkki |
 Reino ValkamaPekka Lipponen | Pekka Lipponen |
 Ville SalminenHenry Williams / Eetu Viljakka | Henry Williams / Eetu Viljakka |
 Hilkka HelinäMary Morton / McLee / Mäkelin / Mäkinen | Mary Morton / McLee / Mäkelin / Mäkinen |
| KKirsti OrtolaMolli | Molli |
| TTiina RinneLiisa | Liisa |
 Rauha RentolaMadame | Madame |
 Oke TuuriAaleppi | Aaleppi |
| TToivo LahtiMikko Paraati | Mikko Paraati |
| JJorma NortimoValerius | Valerius |
 Matti OravistoKorpi | Korpi |
 Matti LehteläPedro | Pedro |
| EEino RäisänenDirector | Director |
| JJoel AsikainenGigolo (uncredited) | Gigolo (uncredited) |
 Kaarlo HalttunenGigolo (uncredited) | Gigolo (uncredited) |
| PPaavo HonkamäkiDriver (uncredited) | Driver (uncredited) |
 Eino KaipainenDoorman (uncredited) | Doorman (uncredited) |
| UUrho LahtiGigolo (uncredited) | Gigolo (uncredited) |
 Kerttu SalmiOperator (uncredited) | Operator (uncredited) |
| VVeikko SorsakiviGigolo (uncredited) | Gigolo (uncredited) |