When an international casino crime ring is planning a big score at a fixed roulette game, the casino police enlists the help of Jeff Miller, an alcoholic croupier, to nab the bad guys. Jeff is attracted to Laura, a singer at the casino, but she prefers the company of the leader of the thieving casino ring.
| Actor | Role |
|---|---|
 Laurence HarveyJeff Miller | Jeff Miller |
 Ann-MargretLaura | Laura |
 Ivan DesnyGuinness | Guinness |
 José CalvoBenson | Benson |
 Camilla HornEvelyn Brown | Evelyn Brown |
 Andrea BosicManager of Casino | Manager of Casino |
 Alberto de MendozaPolice Captain | Police Captain |
 Luis MorrisTod | Tod |
 Luis Dávilail baro | il baro |
 Milo QuesadaGonzalo | Gonzalo |
 Jan Hendriksdirettore Play Boy | direttore Play Boy |
 Lisa Halvorseninfermiera | infermiera |