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‘Thrash’ Producers Adam McKay & Kevin Messick on Technical Challenges of Shark Disaster Movie

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thrash netflix shark movie trailer

A South Carolina town contends with rapidly rising floodwaters from a raging Category 5 hurricane in Thrash, and that’s before the sharks arrive for a storm-induced feeding frenzy.

Writer/Director Tommy Wirkola (Violent NightDead Snow) combines a natural disaster flick with shark horror, made more suspenseful by his approach to utilizing as many practical effects as possible. That includes building submerging set pieces.

Bloody Disgusting spoke with Thrash producers Adam McKay & Kevin Messick (Don’t Look Up, Fresh) about the technical challenges of making Wirkola’s latest, and its tricky tightrope walk of genres.

“We loved the idea of a storm thriller being combined with a shark movie,” McKay tells us of what got them excited about this project. “And then the fact that, since he pitched it, the idea of where sharks are increasing attacks because of climate warming is now actually, sadly starting to happen. So it was a combination of those factors, storm movie plus shark movie, and the underlying premise being based on the biggest emergency we’ve all ever faced: climate warming.”

Kevin Messick adds, “Then you throw in the special thought of Tommy, whom we met in 2009. We met him right after Dead Snow premiered at Sundance, and I believe we were his first Hollywood meeting when he first came over from Norway, and that’s where he pitched us Hansel & Gretel: Witch Hunters, which was the first movie we made with him back in 2010, I think. So we’ve known Tommy a long time. He’s a great guy.”

Thrash. Phoebe Dynevor as Lisa in Thrash. Cr. Netflix © 2026.

Wirkola cuts straight to the action in Thrash, kicking off with a harrowing flash flood, followed by the destruction of a tanker truck transporting “McKay’s Meats” that dramatically chums up the floodwaters and entices a ravenous shiver of bull sharks.

It’s the type of gag that signals Thrash isn’t entirely serious, even if its approach to natural disasters is deadly serious. “That was meant to be a little more of a smaller nod. Then, when the art department put the logo on, it was a little too big, but yes, it was just fun,” Messick says.

There are a lot of moving parts to Thrash, between its Category 5 storm, its sharks, and its ensemble cast spread across a devastated town under siege. When asked which presented the most technical challenges, Messick was candid.

“The whole thing was a challenge,” he explains. “It was a modest budget. The whole town square is a big tank in a parking lot in Melbourne. So, the visual effects, not only for the sharks, but for the flooded devastation that you experience in the movie, were all very tricky. I’ll give you one example. In that town square, the production designer built the sets like Legos in three levels, because you can’t keep raising the water, but you can lower the buildings.

Thrash. (L-R) Alyla Browne as Dee, Dante Ubaldi as Will and Stacy Clausen as Ron in Thrash. Cr. Netflix © 2026.

“So the trick of what we did, as the floodwaters keep rising. The sets got shorter, if that makes sense. I thought it was genius when David Ingram, our production designer, came up with that plan, and it makes a lot of logical sense.

As for why Thrash is set in South Carolina, McKay points out the alarming increase in natural disasters, both in regularity and severity.

The producer states, “Sadly, there’s just more and more places that are experiencing the floods and the hurricanes and the torrential rains and tornadoes. There are a lot of places you could put it, but what we’re really seeing is Southern California, the Gulf, the Mid-Atlantic area, and Australia has had a bunch of shark attacks connected to climate warming due to torrential floods and rain. So there’s a lot of places you could go, but ultimately it was the Mid-Atlantic region, which once again, even though we made a fun popcorn movie, the tragedy of the reality is, we all know North Carolina has been hammered.”

Thrash is now streaming on Netflix.

Horror journalist, RT Top Critic, and Critics Choice Association member. Has appeared on PBS series' Monstrum, served on the SXSW Midnighter shorts jury, and moderated horror panels for WonderCon, SeriesFest, and Popcorn Frights Film Fest.

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Interviews

The Work ‘Grind’ Is Hell, So Brea Grant & Ed Dougherty Made a Horror Anthology About It [CFF 2026 Interview]

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Grind Interview

Genre fans rejoice! Chattanooga Film Festival is back for its 13th year in 2026 with a killer lineup and once again offering audiences both in-person and virtual options. After having its World Premiere at SXSW this spring, the horror comedy anthology Grind is playing CFF 2026 opening weekend.

From a screenplay by Brea Grant (Torn Hearts, 12 Hour Shift) and Ed Dougherty (MLM) and segments directed by Grant, Dougherty, and Chelsea Stardust (Satanic Panic), Grind features four interwoven stories that parody the gig economy, hustle culture, and the evils of late-stage capitalism.

The anthology follows weary everyday people juggling side hustles just to survive, while going up against greedy oligarchs, and cleverly uses dark humor and bloody practical effects to portray a world much like our current economic nightmare.

Bloody Disgusting had the pleasure of chatting with Brea Grant and Ed Dougherty about the socioeconomic commentary in Grind, casting Barbara Crampton as a villain, and DIY filmmaking.

Bloody Disgusting: Every segment in this anthology feels relatable because people are actually struggling to survive in the gig economy right now. How did the two of you come up with the idea of creating Grind?

Brea Grant: Like you said, we were trying to come up with a cool idea that seemed relevant right now. The thing that everyone we know is talking about is the economy, the lack of work, and the nightmare hellscape that is late-stage capitalism. It felt like the right time to write something that really featured that as the main horror. As the main thing that people were scared of, this world sort of came to us over the course of a couple of years.

Ed Dougherty: We wanted to make a hit film, and we said, “Let’s make a horror anthology, that’s the most marketable thing there is.” [laughs]

BG: [laughs] Definitely not!

BD: I love anthologies!

ED: We do, too. We feel like it’s kind of an undervalued form of horror film, but it’s a hard sell.

BG: People told us not to make it. They said, “Don’t make an anthology. It’s too hard to sell.” But we did it anyway.

BD: I guess I’m just one of those weirdos who likes anthologies and watches them all.

ED: We believe that there are a lot of weirdos like you out there. It seems like every good horror anthology has a long life, but it’s just getting over the initial hump that’s difficult.

BD: Chelsea Stardust directed some of the segments with the two of you and serves as a producer. How did she first get involved with this project?

BG: The project has a long history. We shot the first segment, which is about multi-level marketing, a couple of years ago. We had decided we wanted to make a full anthology, but it took us about a year after shooting that initial segment to shoot the rest of the movie. When we did that, we knew we needed to bring on a producer aside from Ed and me, since we were directing the bulk of the movie, so that was how she came on board. I’ve been friends with her for a long time, and the one thing I know about her as a friend is that she is very organized, so it felt like a good fit. I just called her one day and said, “Would you want to produce these three segments that we have left to shoot of Grind?” and she came on board.

BD: There are some fun cameos in Grind, but we have to talk about Barbara Crampton. She’s so good as a villainess. Why did you want her for this role, and what was it like working with her on this film?

BG: She’s in her villain era, which is so fun. [laughs] Obviously, we’re huge Barbara Crampton fans, and when we were making MLM, it was a smaller part of the movie that we knew we needed to call on people who could do a good job but were also friendly to us [laughs]. I’m friends with Barbara Crampton, and we’ve done three movies together before this. So, it felt like someone within our reach, but could also really draw a horror crowd. She has a huge fanbase, and she’s also super supportive of all the projects that she’s been in, so that was also really exciting. She’s a great actress, and she’s super funny. I think a lot of these horror actresses, especially those who came up in the eighties and nineties, weren’t given an opportunity to be funny. I think she was ready to jump on an opportunity that was different than what she was used to; it’s not running around and screaming. She is a cult leader, and she is quite funny in it. She just takes the comedy so well and seriously, and she does such an amazing job with it. She has a scene across from Rob Huebel, who is obviously a comedy master, and I feel like the two of them together were hilarious. It’s been fun to watch Barbara go from these iconic roles to a different kind of role at this point in her career. We’re super happy to be a part of that.

ED: And she loves the movie and has been so supportive. Every time she posts about it, I’m like, “I can’t believe this. This is amazing.”

BD: This is an accurate parody of the current socioeconomic situation in this country, as well as our obsession with online culture. It repeatedly asks the question, “What are you willing to do to make money,” in a world with wealth inequality and evil oligarchs. It’s fun, and it’s a horror movie, but it’s thought-provoking. What do you hope audiences take away from Grind, besides having a good time?

ED: I read every review and every Letterboxd review; Brea does not. So, I’ve seen it all. I’ve seen some reviews that say, “Good movie but doesn’t propose a solution.” I think we do propose a solution, which is that the power of unions and organizing is the only way that we will be able to fight back against oligarchs. I do think that is the message of the film. Organizing is the only way to defeat these villains. I do think we have a lot to say in the film. I’d want someone to say, “Man, I’ve never seen a horror anthology that had a political message before.” [laughs]

BG: I think the other thing is that what is currently happening is that we live in a world in which people kind of feel alone in this. They’re like, “Well, I’m doing bad, “or “I’m having trouble paying my rent.” We wanted to hang a lantern on the fact that this is happening to everyone, that wealth disparity is at an all-time high. We’re pointing out to people that you aren’t in this alone; you’re not the only person doing side hustles. Every filmmaker friend I have is working a side job of some sort at this point, and that is just in Los Angeles. Outside of this city, I think things are more dire. I think it was about infusing some politics into something that could make people realize that they aren’t alone and that there are ways of fighting back and fighting the system that has been set up against them.

ED: I think the tone of the movie, which is darkly comedic, also really matches the tone of life right now. Everything seems almost at a parody level as far as the disconnect between oligarchs and trying to make a living and reality. The absurdist nature of the film kind of captures the real tone of life.

BD: There are some cool creature effects and makeup effects in this movie. Can you talk a little bit about the practical effects and makeup?

ED: I think especially because of the message of the film, which is pushing back against the current hellscape we’re in, we wanted to use as many practical effects as possible. We used matte paintings, miniatures, and practical creature effects. I’m always afraid of the matte painting because we used the old school matte painter, but they do look a little AI. I heard someone make a noise behind me during one of the shots, and I was like, “I hope that noise wasn’t them using AI because that’s a matte painting.” [laughs] There’s also the fact that it’s pretty DIY. It’s a film that we financed ourselves and shot in our houses as much as possible. We wanted the whole thing to feel handmade and very tactile.

BG: We’re old school horror fans, so we love seeing practical effects. The practical stuff is really fun for us. It’s the stuff that we think is actually cool. [laughs] So, practical stuff made the most sense for us. We both grew up in the punk scene in the nineties, and I think it just kind of comes naturally to us to try to do things ourselves. And we both work on projects for big companies, with smaller companies, but always for other people, so trying to do something ourselves to see what that felt like was also part of the experiment of Grind.

ED: This was our chance to do everything we wanted our way.

Grind screens at the Chattanooga Film Festival on June 20.

 

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