Attractive, affluent married couple Mitch and Lindy Garrison sail their yacht to Tahiti to recharge their relationship and add spice to their upper-middle-class lives, but things don't go as planned when they wind up falling overboard.
| Actor | Role |
|---|---|
 Angie DickinsonLindy Garrison | Lindy Garrison |
 Cliff RobertsonMitch Garrison | Mitch Garrison |
 Andrew DugganDugan | Dugan |
 Stephen ElliottShawn | Shawn |
 Skip HomeierDr. Medlow | Dr. Medlow |
 Michael StrongBernie Bertelli | Bernie Bertelli |
 Lewis van BergenJean-Paul | Jean-Paul |
| CChristina ShigedomiDrug Store Clerk | Drug Store Clerk |
| AAcajouFisherman | Fisherman |
| GGary EdwardsKlaus | Klaus |
| JJoan CoxJoan | Joan |
| YYves DoomTaarii | Taarii |
| TTumara RobinsonMahura | Mahura |
| IInez LombardTiari | Tiari |
| CCoco DexterParts Proprietor | Parts Proprietor |
| JJim FoxYacht Crew - Dancer | Yacht Crew - Dancer |
 Vincent Di PaoloPassenger (uncredited) | Passenger (uncredited) |