The horse that Chris Pratt rode in this film was also in War Horse (2011).

According to director Antoine Fuqua, Martin Sensmeier was cast as Red Harvest because he auditioned with luxuriant, almost knee-length hair. Sensmeier wasn't told his hair was a selling point, and he cut his hair soon after. Fuqua was upset, then got the idea for Sensmeier to have his hair cut into a Mohawk.

Chris Pratt's character tells a story of a guy falling off a five-story building. At every floor the people hear him say, "So far, so good." This is an homage to Steve McQueen's character on the original The Magnificent Seven (1960) telling the same tale, except it was a ten-story building.

Denzel Washington and Chris Pratt were the first two actors cast. Antoine Fuqua knew that both men had expressed interest in appearing in a western. Getting Washington was easy, but Fuqua initially was unsure in which role Pratt would fit. On the second phone call between Fuqua and Pratt, the latter started to sing "Oh, Shenandoah", which Fuqua immediately declared that "Pratt is Steve McQueen".

James Horner worked on this film after he and Antoine Fuqua became close friends while making Southpaw (2015). According to Fuqua, Horner's team visited him on the film's set in Baton Rouge, Louisiana, one month after Horner's accidental death, to deliver the completed score. Horner had been so inspired after reading the script that he composed the entire score during pre-production.

The theme song from the original The Magnificent Seven (1960) plays during the end credits.

The characters use explosives produced by the Giant Powder Company of San Francisco. The company began operations in 1868, as the U.S.'s first manufacturer of dynamite, under exclusive license granted personally by Alfred Nobel, the inventor of dynamite.

Later in the movie, Chris Pratt uses a shortened lever-action rifle. This unique firearm (nicknamed "The Mare's Leg") was made popular by Steve McQueen in his series Wanted: Dead or Alive (1958). Pratt's character is McQueen's character from The Magnificent Seven (1960).

The character name of "Red Harvest" is an homage to the Dashiell Hammett story of the same name, which Akira Kurosawa borrowed for the plot of his other great samurai tale, Yojimbo (1961). Kurosawa wrote and directed the movie Seven Samurai (1954), upon which The Magnificent Seven (1960) is based. The Red Harvest plot was also used as the model for A Fistful of Dollars (1964).

The Gatling guns used in the film's time period were chambered in .45-70 Government, with a muzzle velocity of 1,600 feet per second, a 300-grain lead bullet, and a range of well over a mile. At the time, the Army's standard target was a 6 ft. x 6 ft. wooden target at 600 yards, well over the distance shown in this film. The .45-70 round was also used to shoot buffalo in the late 1800s. The range for the Gatling gun in the movie was more than accurate.

Chris Pratt was on the set of this movie when his previous film Jurassic World (2015) was released to huge box office success, which consolidated his celebrity status overnight. Pratt said that his fellow Magnificent Seven cast member Denzel Washington teased him relentlessly, starting every morning with a box office update in the form of "Here's our 100 million dollar guy!", then "Here's our 112 million dollar guy!", followed by ever increasing numbers each day. The number went up to 500 million dollar during the shoot.

The cabin where Jack Horne lives is also featured in True Grit (2010), where Cogburn kicks the Indians off the balcony.

Antoine Fuqua met with studio executives to review actors for the film, but was unhappy that all of the actors under studio consideration were white. He felt the audience would be able to identify with characters who came from a wide variety of backgrounds, coming together for a common cause.

Denzel Washington's first western.

Some areas of Baton Rouge, Louisiana, where filming took place, had to be relandscaped to resemble the "Old West."

James Horner only wrote seven pieces for the film.

Denzel Washington and Ethan Hawke's third collaboration with Antoine Fuqua since Training Day (2001). Hawke co-starred in Brooklyn's Finest (2009), and Washington starred in The Equalizer (2014).

Jason Momoa was originally going to appear in the film. He dropped out due to his commitment with Aquaman (2018).

Although this film is not a straight remake of The Magnificent Seven (1960) and the characters have different names, parallels can be drawn between them. Chris and Sam are both team leaders and black-clothed guns for hire. Vin and Faraday are both broke gambling drifters. Lee was a sharp shooter suffering from PTSD, similar to Robicheaux. Britt is a lethal knife fighter, as is Billy Rocks. Vasquez and Chico are both Mexican, though Chico was far less experienced. Bernado O'Reilly looks like a Native American, like Red Harvest. Harry is a large imposing man, much like Jack Horne.

Sam Chisholm tells the Sheriff of Rose Creek to pass a message to Bartholomew Bogue: "Lincoln, like the President. Lincoln, Kansas". Lincoln, Kansas was founded in 1870, one year after Lincoln, New Mexico where the Lincoln County War took place in 1878-1879. Several plot details mirror the range war, including a robber-baron exerting control over the town, the local sheriff being on the robber-baron's payroll, a group of gunfighters forming to fight the robber-baron (known as The Regulators in the Lincoln County War), the siege of the town (July 15-19, 1878; known as the Battle of Lincoln), and a significant protagonist having the surname Chisholm (Cattle rancher John Chisholm in the Lincoln County War).

Near the end, Ethan Hawke in the bell tower says to Billy Rocks, "Let me tell you something my daddy once said," pauses and continues, "well he said so many things." Bob Dylan said the same thing, almost verbatim, in his Grammy acceptance speech.

Wagner Moura was originally cast as Vasquez. The role was recast because he was committed to film Narcos (2015), in which he plays Pablo Escobar.

Walter Mirisch was the Executive Producer of both this film, and the original The Magnificent Seven (1960).

The Battle of Antietam, where Goodnight Robichaux earned the nickname "The Angel of Death," took place 17 years before the Battle of Rose Creek.

James Horner's final film.

The final screenwriting credits lists Nic Pizzolatto and Richard Wenk as the credited writers. John Lee Hancock rewrote Pazzolotto's script substantially, but was denied a writing credit by the WGA.

While filming in Baton Rouge, LA, temperatures on the set sometimes got as high as 104° Fahrenheit. The highest recorded temperature in Louisiana is 105°F.

Jonathan Joss (King of the Hill's John Redcorn for most of its run) plays the silent, golden headband native - most impressively during the Sacramento's "All men have a price." scene.

Walter Mirisch was one of the most successful independent film producers in Hollywood in the 1960s. He worked alongside Yul Brynner, producer Lou Morheim, director John Sturges, and screenwriter Walter Newman to get Akira Kurosawa's Seven Samurai (1954) remade in America. Many decades after its release, Mirisch still holds The Magnificent Seven (1960) in high regard.

Robert Vaughn died several weeks after the film's U.S. release.

Haley Bennett and Denzel Washington both previously starred together in The Equalizer (2014), also directed by Antoine Fuqua. It was also a remake, but of a TV series, not a film.

As a teenager, Antoine Fuqua was inspired to be a filmmaker after watching two films, The Magnificent Seven (1960) and Scarface (1983). He once said that he would lobby to do a remake of these films if there would be a plan to do so. Fortunately, he got his chance; producer Roger Birnbaum wanted to do a remake after leaving his position as co-chairman of MGM, saying the original film and its characters underline the theme of mortality, a theme that he holds after surviving a gastrointestinal tumor.

Christian Bale was approached about a role.

This is Chris Pratt's first western.

Chris Pratt and Vincent D'Onofrio both starred in Jurassic World (2015). Pratt played Owen and D'Onofrio played Hoskins.

From the moment Faraday gets his horse and rides away, there are several musical beats from the original movie's theme song, but with different instruments, and only the first 9 familiar beats. The entire original theme song, sometimes called the Marlboro commercial song, is played during the end credits.

Ethan Hawke and Vincent D'Onofrio previously starred together as brothers in The Newton Boys (1998), Little New York (2009), Brooklyn's Finest (2009) and Sinister (2012).

Chris Pratt appears in Guardians of the Galaxy Vol. 2 (2017), as well as Kurt Russell, whose father, Bing Russell appeared in The Magnificent Seven (1960).

Chris Pratt and Vincent D'Onofrio have both appeared in the Marvel Cinematic Universe. Pratt played Peter Quill/Star-Lord in Guardians of the Galaxy (2014). D'Onofrio played Wilson Fisk/Kingpin in Daredevil (2015).

James Horner composed the soundtrack of Battle Beyond the Stars (1980), a futuristic retelling of Seven Samurai (1954)/The Magnificent Seven (1960).

On March 29, 2015, Metro-Goldwyn-Mayer set release for January 13, 2017. In August 2015, Sony Pictures Entertainment moved the release to September 23, 2016.

Kevin Costner, Morgan Freeman, and Matt Damon were considered for parts.

The film reunites Denzel Washington, Ethan Hawke, and Antoine Fuqua, from Training Day (2001).

Ethan Hawke's second western of 2016. The first was In a Valley of Violence (2016).

Tom Cruise was previously in talks to star.

Chris Pratt's horse is named Jack, the same name as his son in real life.

Chris Pratt and Jonathan Joss previously starred in Parks and Recreation (2009), as Andy Dwyer and Chief Ken Hotate.

Out of 109 cast listed for the movie, only nine are women.

Antoine Fuqua's second PG-13 theatrical film. His first film was King Arthur, released in 2004.

This is the second time Haley Bennett appeared in a movie using The Magnificent Seven (1960) theme. The first was Hardcore Henry (2015).

This is Chris Pratt's second remake. His first was Delivery Man (2013).

Tom Sizemore was considered for the role of Jack Horne.

James Horner composed the soundtrack of Battle Beyond the Stars (1980) which is a futuristic remake of Seven Samurai (1954) which The Magnificent Seven (1960) was a remake of.

Robert Vaughn, who played Lee in The Magnificent Seven (1960), was not offered a cameo role in the film.

Denali (Jonathan Joss) is an Athabascan word meaning "the high one".

This is Antoine Fuqua and Denzel Washington's third film together.

When Chisholm and the rest of the 7 are discussing plans, Farraday asks what if Bogue shoots you in the head. Chisholm responds, "avenge me." This could be a play on of Farraday (Chris Pratt) being in "Guardians of the Galaxy" who are later Avengers in the MCU.

This is Antoine Fuqua's and Haley Bennett's second film together.

The film takes place one year after the 1878 Lincoln County Land War, in which real-life antagonist Lawrence Murphy was also a corrupt business man like Bartholomew Bogue. One notable protagonist in the Lincoln County Land War was John Chisum, a business partner of Charles Goodnight.

Bartholomew Bogue is the first person to kill and the last person to be killed in the movie.

Of seven protagonists, Denzel Washington's character is the only one who comes out at the end of the final showdown completely unharmed.

Although Steve McQueen's character survives the original 1960 movie, Chris Pratt's character (who is clearly based on McQueen's) dies similarly to Queen's character in Hell Is for Heroes (1962). McQueen charges a pillbox with a live satchel charge and sacrifices himself at the end of the film.

Matt Bomer is listed in the opening credits, even though he dies at the beginning of the film. Cam Gigandet, who plays a larger role, is not.

When the Magnificent Seven are heading to the village with Emma Cullen and Teddy Q, they stop to camp for a night. Josh Faraday offers to give Teddy Q a shooting lesson in exchange for a few drinks of Teddy's whiskey. He tells Teddy to try to take the King of Hearts from his hand. Faraday finally lets Teddy get the card, waits a few seconds, pulls out his gun, points it at Teddy, and says "it was never about the cards". It foreshadows the end of the movie. At the end of the movie, when Faraday rides towards the Gatling gun, he is shot and falls off his horse right in front of the men and the gun. Unarmed, with a cigar in his mouth, he tries to light it, but struggles. The man in charge of the gun gives Faraday a light. A King of Hearts is in Faraday's pocket, hinting at Faraday's lesson to Teddy. Just like his lesson with Teddy Q, the men at the Gatling gun, for a brief moment, think they have won and let their guard down, only to find out that they have given Faraday what he needed to light the dynamite and destroy the gun. Just like his lesson, "it was never about the cards."

When the 7 open the barn full of explosives, Faraday foreshadows his own death by stating "I've always wanted to blow something up."