ORCA: THE KILLER WHALE
No, seriously: what about the words "Dino De Laurentiis" and "Jaws with an orca" does not compel you to see it for yourself?
Directed by Michael Anderson
Written by Luciano Vincenzoni, Sergio Donati, and Robert Towne (based on the novel Orca by Arthur Herzog)
With Richard Harris (Nolan), Charlotte Rampling (Dr. Rachel Bedford), Will Sampson (Jacob Umilak), Keenan Wynn (Novak), Bo Derek (Annie), Peter Hooten (Paul), Robert Carradine (Ken), and Yaka and Nepo (the Orca)
Spoiler alert: high