1Kevin Costner
Lou Rocco//Getty ImagesKevin Costner will lead the two movies. Not that he needs any sort of introduction at all, but Kevin was the star of Yellowstone for the past five seasons, playing the remarkable John Dutton. He's also an Oscar winning actor and director, and has over 60 different movies and other projects worth watching!
2Sienna Miller
Jamie McCarthy//Getty ImagesFun fact about Sienna Miller: She was actually born in NYC but was pretty much raised in the United Kingdom, hence her accent! She has played in an abundance of films and shows, like Anatomy of a Scandal, Burnt, and G.I. Joe: The Rise of Cobra. You'll also likely see her in attendance at every U.S. Open event.
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3Sam Worthington
Greg Doherty//Getty ImagesThere's a good chance you've seen Sam in a very popular movie franchise, you just may not recognize his face right away! That's because he's the leading man in James Cameron's Avatar movies, where he plays Tsyeyk Suli (formerly Jake Sully). Yep, he's the main Na'vi, who are all blue in color! Outside of the Avatar franchise, the Australian actor was featured in Clash of the Titans, Lift, and Terminator Salvation.
4Jena Malone
Penske Media//Getty ImagesJena has been acting since she was just a small girl! There's no shot you haven't seen her in The Hunger Games franchise, where she played Johanna Mason from District 7. Still, her acting resumé is impressive, with credits in works such as Donnie Darko and Rebel Moon Part One - A Child of Fire.
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5Abbey Lee
Daniele Venturelli//Getty ImagesAbbey is what you would call a triple threat! She's an Australian model, actress, *and* musician. You may have seen her appear in Mad Max: Fury Road, Office Christmas Party, and Florida Man.
6Michael Rooker
Steve Granitz//Getty ImagesMichael's big break came with the 1986 film, Henry: Portrait of a Serial Killer. After that, he went on to act in a tundra of popular projects! We're talking super hero movies like Guardians of the Galaxy and The Suicide Squad, and has even appeared in the Fast & Furious franchise!
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7Luke Wilson
Ethan Miller//Getty ImagesDoes Luke seem familiar? If so, it's probably because he's the brother of famed actor, Owen Wilson! Though, Luke is definitely a notable actor in his own right, with his resume including Idiocracy, Legally Blonde, and Old School.
8Isabelle Fuhrman
Vittorio Zunino Celotto//Getty ImagesIf you've seen the 2009 movie, Orphan, there's a good chance that you were absolutely terrified of Isabelle! It's alright, because the creepy toddler who caused nothing but havoc is not who Isabelle really is. Instead, she's a delightful actress who isn't a stranger to the big screen! She was in the first movie in The Hunger Games franchise, and also appeared in The Novice and Sheroes.
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9Jeff Fahey
Ian West - PA Images//Getty ImagesJeff has been in the acting game for some time now! He has acted in Westerns before, such as Silverado (which also stars Kevin Costner), White Hunter Black Heart, and County Line. That's not to say he hasn't explored other genres, because he certainly has! (You might also remember him from the TV series, Lost.)
10Tatanka Means
Robin L Marshall//Getty ImagesTatanka is both an actor and comedian, and definitely has the acting chops needed for a project such as Horizon. He was in The Chickasaw Rancher, Saints & Strangers, and Tiger Eyes. Tatanka being casted in Kevin's project just means that we're in for a good ride!
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11Jamie Campbell Bower
Chelsea Guglielmino//Getty ImagesListen up, Stranger Things, fans! Jamie may be a horrifying villain in the Netflix series, but we're sure he will possess no such powers in this Western saga! 😂 Jamie tends to lean toward more fantasy projects, with his movies consisting of The Mortal Instruments series, the Harry Potter franchise, and the Twilight movies. So, to see him now working on a Western will be a treat!

Josiah is the Digital Content Producer for the commerce team at Popular Mechanics, Best Products, Runner’s World, and Bicycling Magazine. He also writes for “BIO Buys”—a column on Biography.com—giving readers the lowdown on what products their favorite celebs are using. In another life, Josiah was an editor at ThePioneerWoman.com, where he sharpened his expertise on all things lifestyle, food-news, and entertainment. Outside work related matters, he’s a fan of Studio Ghibli films, unimportant reality TV drama, and melancholy Lorde songs.
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