A marine biologist teaches his dolphins to communicate in English but shady characters plan to kidnap the trained mammals for a more sinister purpose.
- Academy Awards®1974
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A marine biologist teaches his dolphins to communicate in English but shady characters plan to kidnap the trained mammals for a more sinister purpose.
| Actor | Role |
|---|---|
 George C. ScottJake Terrell | Jake Terrell |
 Trish Van DevereMaggie Terrell | Maggie Terrell |
 Paul SorvinoCurtis Mahoney | Curtis Mahoney |
 Fritz WeaverHarold DeMilo | Harold DeMilo |
 John DehnerWallingford | Wallingford |
 Severn DardenSchwinn | Schwinn |
 Elizabeth WilsonMrs. Rome | Mrs. Rome |
 William RoerickDunhill | Dunhill |
| JJon KorkesDavid | David |
 Edward HerrmannMike | Mike |
 Leslie CharlesonMaryanne | Maryanne |
 Victoria RacimoLana | Lana |
 John David CarsonLarry | Larry |
| PPat ZuricaFirst Mate | First Mate |
| WWillie MyersStone | Stone |
 Phyllis DavisReceptionist | Receptionist |
| JJulie FollansbeeWomen's Club | Women's Club |
 Florence StanleyWomen's Club | Women's Club |
 Brooke HaywardWomen's Club | Women's Club |
| PPat EnglundWomen's Club | Women's Club |
| JJohann BenétBoy in Park (uncredited) | Boy in Park (uncredited) |
 Buck HenryMan Standing Outside Women's Club (uncredited) | Man Standing Outside Women's Club (uncredited) |
| RRobert LydiardAlpha (voice) (uncredited) | Alpha (voice) (uncredited) |
| EErick VintherPatron (uncredited) | Patron (uncredited) |