A police officer who serves in the Marine Corps Reserves is faced with an ethical dilemma when it comes to helping his brother in prison.


Henry Alex Rubin





Cast overview, first billed only:
Jai Courtney ... Callahan
Nat Wolff ... Oyster
Finn Wittrock ... Jaeger
Arturo Castro ... Snowball
Beau Knapp ... Milk
Leighton Meester ... Clara
Lance E. Nichols ... Balfour
Dane Rhodes ... Capros
Rob Mello ... Tony
Rachel Hendrix ... Rachel Milkowski
Adrienne Loosemore Adrienne Loosemore ... Ellen Milkowski
Eric Hunter Eric Hunter ... CPL Bunch
Rudy Reyes ... Captain Vera
Sylvia Grace Crim ... Carrie
Ashton Leigh ... Val


The story sees Courtney as Cal, a by-the-book police officer who makes ends meet as a Marine Corps reservist along with his rowdy and inseparable group of childhood friends. When Cal's younger, reckless half-brother Oyster (Wolff) accidentally kills a guy in a bar fight and tries to flee, Cal forces him to face the music. After an unfair sentence, Oyster fights for survival in a dangerous Pennsylvania prison system while Cal and his friends are deployed to fight the lethal insurgency in Iraq. Overseas, Cal's world is shaken, and after he barely makes it home alive, he resolves to break Oyster out of prison - no matter the cost.

Plot Summary | Plot Synopsis

Plot Keywords:

police | See All (1) »


Action | Drama

Motion Picture Rating (MPAA)

Rated R for pervasive language, some violence and disturbing images | See all certifications »

Parents Guide:

View content advisory »

Did You Know?


Title released on DVD in Australia is Brother in Arms. See more »


Milk: The fuck is wrong with you? Do not go fuckin' dark on us bro! We all got fuckin' problems. All these boys. We need you. All right? Do you know how much you mean to us Cal? You got us home! You got us home, Cal! We love you. And we're right here. We're not goin' anywhere.
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User Reviews

Don't believe the Critics!
7 October 2019 | by hmareike-15124See all my reviews

Again it has shown that most critics didn't know what the people want to see! This movie was really got. Of course it has his flaws, but which movie hasn't? A very good story, great actors with an awesome chemistry. My Uncle is a reservist too. He had seen the movie with me and loved it! So, don't let the critics get you away from a good movie about friends, Brotherhood, and what you would do for your loved ones!

18 of 32 people found this review helpful.  Was this review helpful to you? | Report this
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Release Date:

4 October 2019 (USA) See more »

Also Known As:

Semper Fi See more »

Filming Locations:

Louisiana, USA


Box Office

Cumulative Worldwide Gross:

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Company Credits

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Technical Specs




Aspect Ratio:

2.35 : 1
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