Orca: The Killer Whale

Orca (also known as Orca: The Killer Whale) is a 1977 American disaster horror film directed by Michael Anderson and produced by Dino De Laurentiis, starring Richard Harris, Charlotte Rampling and Will Sampson. It is based on Arthur Herzog's novel of the same name. The film follows a male orca whale tracking down and getting revenge on a boat captain for killing the whale's pregnant mate and their unborn calf.

Trailer:

https://youtu.be/DRBIdo5KEJQ

Ennio Morricone Orca Theme:

https://youtu.be/VSVZA4RvjGQ