You'll go ape over it.
Rescuers try to reach plane crash victims that are trapped on an isolated Mexican island populated by mutant baboons. Ron Perlman stars as a troubled guide hired to lead the mission.
Primal Force (1999) is a science fiction, horror and action film directed by Nelson McCormick, released on May 6, 1999 with a runtime of 1h 26m. It stars Ron Perlman, Mark Kiely, Roxana Zal and Kimberlee Peterson. Viewers rate it 4.4 out of 10 across 20 ratings.
Watch the official trailer for Primal Force before you stream it.
Ron Perlman
as Frank Brodie
Mark Kiely
as Scott Davis
Roxana Zal
as Tara Matthews
Kimberlee Peterson
as Kelsey Cunningham
Guillermo Ríos
as Eddie Mendoza
Richard Fancy
as Deutsch
Julian Sedgwick
as Stan Kovacs
Ramiro González
as Boat mate
Lorene Noh
as Baboon patriarch
Directed by Nelson McCormick, written by Michael Thoma, produced by Christopher Webster.
Average viewer score of 4.4/10 from 20 ratings.
**_Stuck on an island with bio-engineered primates_** This is similar to “In the Shadow of Kilimanjaro” from fourteen years earlier, except with the milieu of a prohibited Pacific island. Think “Sands of the Kalahari” on amphetamines, just with a television budget. Ron Perlman heads the cast as a brooding black ops type while Mark Kiely plays his frenemy on the rescue team. Kimberlee Peterson is a’right in the…
Reviewed on May 20, 2026
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Primal Force (1999) is currently available to rent or buy from Amazon Video. No subscription streaming option is listed right now, so availability may change.
The main cast of Primal Force (1999) includes Ron Perlman, Mark Kiely, Roxana Zal, Kimberlee Peterson and Guillermo Ríos. The film was directed by Nelson McCormick. You can see the full cast and crew list, with character names, further up this page.
Primal Force was released on May 6, 1999 and runs for 1h 26m.
Primal Force (1999) holds an average rating of 4.4 out of 10 from 20 viewer votes, and is a good pick if you enjoy science fiction, horror and action films. Read the viewer reviews on this page to decide for yourself.
Yes. The official Primal Force trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.
