Card cheats travel by cruise ship to the Adriatic coast to fleece a wealthy aristocrat.
| Actor | Role |
|---|---|
 Suzy KendallCandace | Candace |
 Don GordonRooney | Rooney |
 Pierre OlafCozzier | Cozzier |
 Kenneth GriffithBroadfoot | Broadfoot |
 Stuart MargolinGoldy | Goldy |
 Richard Ng Yiu-HonKoboyashi | Koboyashi |
 Massimo SeratoDel Isolla | Del Isolla |
 Faith DomergueSignora Del Isolla | Signora Del Isolla |
 Relja BašićYakov | Yakov |
 Anthony ChinnNono | Nono |