An American detective unmasks a gambler as the head of a banknote counterfeiting gang.
| Actor | Role |
|---|---|
 Wayne MorrisMike Conlin | Mike Conlin |
 Karin BoothSandra | Sandra |
 Anton DiffringFraser | Fraser |
 Bruce SetonMac | Mac |
| GGeorge RoderickInspector Hughes | Inspector Hughes |
| SSheldon LawrenceBill | Bill |
| SSeymour GreenSteve | Steve |
| RRichard ShawWilliams | Williams |
 Bill BrandonGrange | Grange |
 Reginald HearneSmith | Smith |
| HHoward LangCommisioner | Commisioner |