Een geleerde (Scott) heeft dolfijnen afgericht die de menselijke taal kunnen begrijpen, en sommige woorden kunnen spreken. De dolfijnen worden gestolen voor een moordlustig plan. Kan Scott alles nog in goede banen brengen?
Nee, helaas is The Day of the Dolphin nog niet beschikbaar op Netflix in Nederland.
| Directing | Mike Nichols | Director |
| Sound | Larry Jost | Sound |
| Directing | Michael Haley | Second Assistant Director |
| Writing | Robert Merle | Novel |
| Writing | Buck Henry | Screenplay |
| Production | Dick Birkmayer | Associate Producer |
| Production | Joseph E. Levine | Executive Producer |
| Production | Robert E. Relyea | Producer |
| Sound | Georges Delerue | Original Music Composer |
| Camera | William A. Fraker | Director of Photography |
| Editing | Sam O'Steen | Editor |
| Art | Richard Sylbert | Production Design |
| Art | Angelo P. Graham | Art Direction |
| Art | George R. Nelson | Set Decoration |
| Costume & Make-Up | Anthea Sylbert | Costume Design |
| Costume & Make-Up | Del Acevedo | Makeup Artist |
| Costume & Make-Up | Edwin Butterworth | Makeup Artist |
| Costume & Make-Up | Dorothy Byrne | Hairstylist |
| Production | Tim Zinnemann | Production Manager |
| Directing | Thomas J. Schmidt | Assistant Director |
