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 | Buck Henry | Screenplay |
| Costume & Make-Up | Edwin Butterworth | Makeup Artist |
| Editing | Sam O'Steen | Editor |
| Costume & Make-Up | Del Acevedo | Makeup Artist |
| Directing | Thomas J. Schmidt | Assistant Director |
| Costume & Make-Up | Anthea Sylbert | Costume Design |
| Art | George R. Nelson | Set Decoration |
| Production | Tim Zinnemann | Production Manager |
| Sound | Georges Delerue | Original Music Composer |
| Costume & Make-Up | Dorothy Byrne | Hairstylist |
| Production | Joseph E. Levine | Executive Producer |
| Art | Richard Sylbert | Production Design |
| Camera | William A. Fraker | Director of Photography |
| Production | Robert E. Relyea | Producer |
| Writing | Robert Merle | Novel |
| Production | Dick Birkmayer | Associate Producer |
| Art | Angelo P. Graham | Art Direction |
