The Day of the Dolphin, style B 1sh 1973 George C. Scott

The Day of the Dolphin, the 1973 Mike Nichols science fiction (sci-fi) scuba diving talking-to-animals fantasy thriller ("The most amazing outdoor adventure ever filmed! Two years in the making! Awesome excitement!"; "'A spine-tingling tale that might just come true.'"; "Unwittingly, he trained a dolphin to kill the President of the United States."