The Day of the Dolphin
(1973)
Dr. Jake Terrell, who has been training a pair of dolphins for many years, has had a breakthrough. He has taught his dolphins to speak and understand English, although they do have a limited vocabulary. When the dolphins are stolen, he discovers they're to be used in an assassination attempt. Now he is in a race to discover who is the target, and where the dolphins are, before the attempt is carried out.
Directed by:
Mike Nichols
Starring:
George C. Scott, Trish Van Devere, Paul Sorvino, John Dehner, Severn Darden, Elizabeth Wilson
Links:
IMDb, Movie posters, Movie stills