New Movie ‘Primitive War’ Features Unique T-Rex Sounds from Australia

LOS ANGELES, CA – Director Luke Sparke‘s new film “Primitive War” is set to hit VOD in the U.S. on October 3, 2025. The movie combines the thrills of the Vietnam War with a twist of prehistoric life, showcasing soldiers who encounter lethal dinosaurs in the jungle.

What makes this film particularly intriguing is the depiction of the T-rex, which stands apart from traditional portrayals. In an interview, Sparke revealed that the iconic dinosaur makes a distinctive popping sound when it snaps its jaws. This sound, he explained, is rooted in his experiences with dangerous wildlife in Australia.

“I mean, it’s all organic sound,” Sparke said. “I didn’t want it to feel artificial, so we drew inspiration from real experiences with crocodiles. When they catch their prey, you can really hear the pop of their jaw, which I aimed to reflect with our T-rex. I hadn’t seen too much of that in dinosaur films.”

Despite the film’s modest budget, which is much lower than big-budget productions like “Jurassic Park,” the dinosaurs in “Primitive War” do not appear cheap. Sparke’s team compensated for financial limitations with hard work and creativity.

“Getting the right sound for the T-rex was challenging. We went through many iterations before we settled on the final version. It was a mix of an alligator and maybe even a Komodo dragon,” Sparke noted. “Every detail mattered to us because we wanted to ground these creatures in some level of realism.”

As the film prepares for its release, audience engagement has been positive. Sparke also mentioned that the author of the original novel, Ethan Pettus, has a series of books that could inspire future projects.

“If someone wants to challenge me on the sound of a T-rex, I’m all ears,” he joked, keeping the creative conversation open.