Movies like K9 (2018)
The best movies like K9 (2018) are The Marine 5: Battleground (2017), Never Back Down: Revolt (2021) and Best of the Best 2 (1993). If K9 hooked you with its action, these 20 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedBeast (2026)7.5/10 from 226 votes
- NewestLion Fist (2026)Released 2026
The Marine 5: Battleground (2017)
While working as an EMT back stateside Jake Carter after responding to a distress call, finds himself caught up protecting a person of interest from a biker gang ruthlessly hunting them down.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisNever Back Down: Revolt (2021)
An amateur fighter is lured by a trafficking syndicate specializing in elite underground fighting where her brutal captor forces her to fight or face certain death.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisBest of the Best 2 (1993)
In an underground fight club, blackbelt Travis Brickley is killed after losing to the evil martial arts master Brakus. Travis' death is witnessed by Walter Grady, the son of his best friend Alex Grady. Alex and his partner, Tommy Lee, vow to avenge their friend's death by defeating Brakus and shutting down the fight club.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisGladiator Underground (2025)
Two brothers compete in the world's deadliest underground fighting tournament, where they must decide whether to play by the rules or to cast their honor aside and team up to bring down the dark syndicate running the tournament.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisThe Perfect Weapon (1991)
Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisOscar Shaw (2026)
After retiring from the police force, a relentless detective haunted by the tragic loss of his closest friend sets out on a perilous quest for vengeance, seeking redemption and fighting to restore justice to the streets he once swore to protect.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisLion Fist (2026)
Martial arts fighter Joe goes to prison for four years and takes his wife's blame for a drug bust. After his release, he learns that his son needs expensive surgery because of a life-threatening tumor. Joe's only chance to save him: a brutal all-styles tournament with a $100,000 prize.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisUntil Death (2007)
Anthony Stowe is a dirty cop who is hooked on heroin—and everyone hates him. After a serious accident, he is placed into an induced coma, but emerges from it a better person who wants to put things right.
Why it matches: Recommended by TMDB viewers · both action
SnoozefestMovies like thisWar (2007)
FBI agent Jack Crawford is out for revenge when his partner is killed and all clues point to the mysterious assassin Rogue. But when Rogue turns up years later to take care of some unfinished business, he triggers a violent clash of rival gangs. Will the truth come out before it's too late? And when the dust settles, who will remain standing?
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisThe System (2022)
When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisBeckman (2020)
A contract killer, becomes the reverend of a LA church, until a cult leader and his minions kidnap his daughter. Blinded by vengeance, he cuts a bloody path across the city. The only thing that can stop him is his newfound faith.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisLights Out (2024)
A drifting ex-soldier turns underground fighter with the help of a just-released ex-con, pitting him against corrupt cops and hired killers now gunning for him and all those he cares about.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisEmpire (2002)
Big time drug dealer Victor Rosa is looking to get out of the game and sees his chance with a big deal with a new friend who happens to be a Wall St. stockbroker. Thinking this will be his chance to go out on top, Victor soon finds out that he's been double crossed and his last option is to get revenge.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisIn the Blood (2014)
When her husband goes missing during their Caribbean vacation, a woman sets off on her own to take down the men she thinks are responsible.
Why it matches: Recommended by TMDB viewers · both action
SnoozefestMovies like thisHow to Rob a Bank (2007)
Caught in the middle of a bank robbery, a slacker and a bank employee become the ones who arbitrate the intense situation.
Why it matches: Recommended by TMDB viewers · both action
SnoozefestMovies like thisNo Retreat, No Surrender 3: Blood Brothers (1990)
Two feuding brothers of differing political views, one a policeman, the other a martial artist, join forces to avenge the death of their father, a retired agent who was brutally murdered by the mafia.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisBeast (2026)
MMA legend Patton James, now a commercial fisherman, is pulled back into the cage when his brother is in danger. Reuniting with his old coach Sammy, he commits to one final fight in one championship against the brutal champion Xavier Grau.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like this6 Bullets (2012)
An ex-mercenary known for finding missing children is hired by a mixed martial arts fighter whose daughter has been kidnapped.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisThe Enforcer (2022)
A noir thriller set in Miami, the film follows an enforcer who discovers his femme fatale boss has branched out into cyber sex trafficking, putting a young runaway he’s befriended at risk. He sacrifices everything to save the young girl from the deadly organization he’s spent his life building.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisThe Shipment (2021)
A former U.S. Navy Seal is forced to become the international criminal he once fought against when a powerful and violent drug cartel kidnaps his wife and daughter.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like this
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Frequently asked questions
What are the best movies like K9?
The closest matches to K9 are The Marine 5: Battleground (2017), Never Back Down: Revolt (2021) and Best of the Best 2 (1993). Below are 17 more, each with the reason it matches.
What should I watch after K9?
Start with The Marine 5: Battleground (2017), the closest match to K9.
What is the highest-rated movie like K9?
Beast (2026), rated 7.5/10 by 226 TMDB users.
What is the newest movie like K9?
Lion Fist (2026) is the most recent release on this list.
How are movies similar to K9 chosen?
First come films that Trakt’s viewers watch alongside K9, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.