Movies Like The Octagon
If you loved The Octagon's Adventure and Action storytelling, these films deliver a similar experience — carefully selected for tone, themes, and emotional depth. Each pick includes where to watch it right now.
★ Top Picks

Ninja Assassin
Ninja Assassin follows Raizo, one of the deadliest assassins in the world. Taken from the streets as a child, he was transformed into a trained killer by the Ozunu Clan, a secret society whose very existence is considered a myth. But haunted by the merciless execution of his friend by the Clan, Raizo breaks free from them and vanishes. Now he waits, preparing to exact his revenge.

Ninja: Shadow of a Tear
Fight everyone and trust no one: it's the code of survival practiced by martial-arts master Casey Bowman after his life of domestic bliss is shattered by a savage act of violence. Vowing revenge, the fearless American stealthily tracks the killer from Osaka to Bangkok to Rangoon with the help of a wise and crafty sensei. His only clues: a series of victims whose necks bear the distinctive mark of strangulation by barbed wire. Fighting to avenge as well as to survive, Casey must sharpen his razor-like responses and take his battle skills to the next level, even using deep meditation to fake his own death. His target: the sinister drug lord Goro, who is flooding the streets with deadly meth cooked at his remote jungle factory. To prepare for his ultimate confrontation, Casey must finally become an invisible warrior worthy of the name Ninja. But just when his prey is cornered, an unexpected twist shows Casey that his battle is only beginning: he truly can trust no one.

Life After Fighting
Retired martial arts world champion Alex Faulkner has settled into a simple life, when the disappearance of two of his students leads to an unthinkable discovery close to home. Just when all hope of finding the children is lost, he locates the imprisoned girls and unsurfaces an international child trafficking operation, which draws him back into the fight of his life against those behind it.

Ninja III: The Domination
An aerobics instructor becomes a ruthless assassin after being possessed by a slain ninja's spirit, leading to a showdown with a martial arts expert.

The Specialist
May Munro is a woman obsessed with getting revenge on the people who murdered her parents when she was still a girl. She hires Ray Quick, a retired explosives expert, to kill her parents' killers. When Ned Trent, embittered ex-partner of Quick's, is assigned to protect one of Quick's potential victims, a deadly game of cat and mouse ensues.

American Assassin
Following the murder of his fiancée, Mitch Rapp trains under the instruction of Cold War veteran Stan Hurley. The pair then is enlisted to investigate a wave of apparently random attacks on military and civilian targets.

Extraction 2
Back from the brink of death, highly skilled commando Tyler Rake takes on another dangerous mission: saving the imprisoned family of a ruthless gangster.

Assassin Club
In this world of contract killers, Morgan Gaines is the best of the best. When Morgan is hired to kill six people around the world, he soon discovers all the targets are also assassins unknowingly hired to kill each other.
More Movies Like The Octagon

Assassination Games
Brazil is a contract killer, willing to take any job if the price is right. Flint left the assassin game when a ruthless drug dealer’s brutal attack left his wife in a coma. When a contract is put out on the same coldblooded drug dealer, both Brazil and Flint want him dead – one for the money, the other for revenge. With crooked Interpol agents and vicious members of the criminal underworld hot on their trail, these two assassins reluctantly join forces to quickly take out their target before they themselves are terminated.

Unleashed
Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.

Batman
Having witnessed his parents' brutal murder as a child, millionaire philanthropist Bruce Wayne fights crime in Gotham City disguised as Batman, a costumed hero who strikes fear into the hearts of villains. But when a deformed madman known as 'The Joker' seizes control of Gotham's criminal underworld, Batman must face his most ruthless nemesis ever while protecting both his identity and his love interest, reporter Vicki Vale.

Revenge of the Ninja
A peaceful ex-ninja's life shatters when his son's kidnapping forces him back into violence amid an American-Japanese criminal drug war.

Kill Bill: Vol. 1
An assassin is shot by her ruthless employer, Bill, and other members of their assassination circle – but she lives to plot her vengeance.

Blade
The Daywalker known as "Blade" - a half-vampire, half-mortal man - becomes the protector of humanity against an underground army of vampires.

Ninja
A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.

Death Wish 3
Architect/vigilante Paul Kersey arrives back in New York City and is forcibly recruited by a crooked police chief to fight street crime caused by a large gang terrorizing the neighborhoods.

Batman Begins
Driven by tragedy, billionaire Bruce Wayne dedicates his life to uncovering and defeating the corruption that plagues his home, Gotham City. Unable to work within the system, he instead creates a new identity, a symbol of fear for the criminal underworld - The Batman.

Code of Silence
A Chicago cop is caught in the middle of a gang war while his own comrades shun him because he wants to take an irresponsible cop down.

Triple Threat
A crime syndicate places a hit on a billionaire's daughter, making her the target of an elite assassin squad. A small band of down-and-out mercenaries protects her, fighting tooth and nail to stop the assassins from reaching their target.

Hostile Takeover
Follows Pete, a professional hitman, as he faces a group of assassins after the boss of a crime syndicate suspects disloyalty due to his attendance at Workaholics Anonymous meetings.
Why These Movies Are Similar
These recommendations share core qualities with The Octagon (1980): Adventure and Action themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of The Octagon.
See full details for The Octagon (1980)