Best movies like Three Black Triangles

Richard Hanney has a rude awakening when a glamorous female spy falls into his bed - with a knife in her back. Having a bit of trouble explaining it all to Scotland Yard, he heads for the hills of Scotland to try to clear his name by locating the spy ring known as The 39 Steps.

Having spent 10 years in prison for nationalist activities, Shack Twala is finally ordered released by the South African Supreme Court but he finds himself almost immediately on the run after a run-in with the police. Assisted by his lawyer Rina Van Niekirk and visiting British engineer Jim Keogh, he heads for Capetown where he hopes to recover a stash of diamonds, meant to finance revolutionary activities, that he had entrusted to a dentist before his incarceration. Along the way, they are followed by Major Horn of the South African State security bureau and it becomes apparent that he has no intention of arresting them until they reach their final destination

A Chinese special force soldier with extraordinary marksmanship is confronted by a group of deadly foreign mercenaries who are hired to assassinate him by a vicious drug lord.

An American ballistics expert in Turkey finds himself targeted by Nazi agents. Safe passage home by ship is arranged for him, but he soon discovers that his pursuers are also on board.

A greasy spoon diner provides a base for a spy smuggling nuclear secrets.

A Foreign Service Officer in London tries to prevent a terrorist attack set to hit New York, but is forced to go on the run when she is framed for crimes she did not commit.

Cold War spy Greville Wynne and his Russian source try to put an end to the Cuban Missile Crisis.

Set in the near future, Lockout follows a falsely convicted ex-government agent , whose one chance at obtaining freedom lies in the dangerous mission of rescuing the President's daughter from rioting convicts at an outer space maximum security prison.

In a complex piece of espionage the Russian secret service attempts to kidnap a high ranking officer in the CIA and replace him with a double of its own.

Orphan Hilda Swanson's prayers are answered when a Swedish-American colonization company agrees to send her to America. Aboard the steamer, she meets Olaf, a young Swede, and Donna, an enemy courier who is posing as a passenger. Learning that the secret service is on her trail, Donna sews secret documents into the hem of Hilda's skirt. She then sends a wire to her comrade Felix Martinez, notifying him to intercept the Swedish girl.

James “Brick” Davis, a struggling attorney, owes his education to a mobster, but always has refused to get involved with the underworld. When a friend of his is gunned down by a notorious criminal, Brick decides to abandon the exercise of the law and join the Department of Justice to capture the murderer.

Renegade FBI agent Art Jeffries protects a nine-year-old autistic boy who has cracked the government's new "unbreakable" code.

Sebastian is an undisciplined mathematics genius who works in the "cipher bureau" of the British Intelligence. While cracking enemy codes, Sebastian finds time to romance co-worker Rebecca Howard.

During the latter stages of the Civil War, a gang of supposed Confederates, headed by Alex Morel (Lionel Atwill), raid all gold shipments destined for Washington from Oro Grande, California. Can they be brought to justice?

The war lords of a potential enemy of the US has the spy ring, led by John Baroda, the Spy King and his aide Nitra, sabotaging the plans for a vast defense system of radar stations along the American borders. Radar Defense Bureau operative Chris Calvert comes to the rescue of a brilliant radar scientist, Joan Hughes, who has been kidnapped by Baroda henchmen in chapter 1 ("The Fatal Fog"), and the two battle together before putting an end to the Spy King in the aptly-named chapter 12, "Day of Reckoning".

During the Cold War, diplomatic courier Mike Kells must retrieve a dispatch containing top-secret intelligence. But when he arrives at the meeting point, a train station in Salzburg, his contact turns up dead, and the message is nowhere to be found. With no clear suspect in sight, Kells must sort through his uncertain relationships with two women, while sidestepping the pitfalls of subterfuge, sabotage and spies in his search for the documents.

Enemy agents are everywhere and they are sabotaging all important war deliveries. The body of a hobo found in a train wreck had a money belt with $50,000 and a tattoo of a circle and arrow. This is a tattoo for saboteurs for hire and Brass must impersonate the dead man to find out what his orders are. As Steve Coe, he meets with the band of enemy agents in California and everything goes well until the wife of the dead 'Hobo' shows up. Luckily, Gabby is able to save Brass and Brass learns what is his assignment. He is to board the USN airship 'Mason', which is testing the super secret Inertia Projector, and destroy the airship.

A group of neighborhood teenagers discover some suspicious goings-on near a naval base in San Diego, and suspect that a foreign espionage ring is at work trying to find out military secrets.

A prestigious senator and the passengers on board a train are kidnapped by a militia group.

Chuck Connors stars in this routine martial arts feature as the Colonel. He sends agents Sonny (Mike Kelly) and Dennis (George Nichols) to Taiwan in search of microfilm containing experiments on genetic engineering. The agents soon find themselves up against Japanese killers known as the Sakura who plan to sell United States secrets to the Soviet Union. Sonny and Dennis train with a martial arts master in order to fight the enemy and obtain the coveted microfilm.

A man is mistaken by foreign agents for a defecting cosmonaut and must prove his identity while evading capture.

Two members of the Chinese Ministry of Foreign Affairs are tasked with the evacuation of Chinese citizens when war breaks out in Numia, North Africa.

A US newsman and a British entomologist spy on germ-warfare research in a mythical country.

Secret Service agents must retrieve the briefcase allowing the President control of America's nuclear arsenal before massive destruction ensues.

Travellers board a flight, unaware that other passengers might be spies and counterspies, complete with secret documents, poison and elaborate plans to engage in international espionage!

The film revolves around a pair of big-boned, bumbling cops who find themselves at the heart of a drug trafficking case. The agent "J" (Zhang Wen) was shot in the head during an A-level mission, causing damage to the intracranial hypothalamus. During the period of rehabilitating, J gradually became a big fat man of three hundred pounds and suffered from severe narcolepsy, but J still considered himself a ace agent. Finally, J received the task again and went to Japan to retrieve the confidential documents. After the file was obtained, J arbitrarily opened the file and decided to continue the task of hiding the organization for the organization, but he fainted in the izakaya. J who woke up in the hospital got to know the security guard Handsome Hao (Bei-Er Bao), Handsome Hao to prove that he is not a waste of nothing to resolutely join the mission. In the process of carrying out the task, the temporary partner has experienced the ridiculous and dangerous crisis of time over and over ...

Louis Koo plays 009, or translated literally from its aural pronunciation, double-O Dog. He's one of 12 special Royal Bodyguards of a simpleton Emperor (Liu Yiwei) who named these 12 guards after the Chinese Zodiac, hence 9 translated to Dog. Unlike his peers, Dog is a scientist, and relies pretty much on his brains and fantastical gadgets to protect his Majesty from evil ninja assassins.

The movie starts in Dubai, where we are introduced to a mysterious artifact collector. His new target is to acquire every country's first Olympic Gold medal. With the help of his trusty assistant and a goofy Chinese expert, they head over to Foshan with a large bag of money ready to do the deal. Just one problem. They don't know the name of the Olympic Champion who won the first ever Chinese Gold medal. At the same time, a struggling Real Estate Sales Agent and his beautiful co-worker have been tasked by the CEO to organise a huge sales event for the development - with the main attraction being Chinese Olympic Champions!

A forger is forced to work for a Nazi spy ring. His conscience gets the better of him, though, and he secretly conspires with the FBI to turn over the gang.

A spy thriller involving an American who is enlisted by British intelligence to replace one of its recently murdered agents and smash a ring of blackmailers -- James Bond style -- headed by a nefarious figure known as Scorpio.

In the spring of 1949, a war is about to happen between the Liberation Army and Kuomintang Army on the Yangtze River. The Liberation Army dispatches a reconnaissance to scout the southern parts of the River, whose work is actually full of hardships and dangers. However, with the help of the local crowd and the guerrillas, finally, the members of the reconnaissance succeed in the commission and offer valuable information to the Liberation Army, making great contributions in the war.

An agent infiltrating the Nationalist Party in wartime Shanghai finds himself under threat.

Police attempt to stop Nationalist agents from destroying public buildings in Ruancheng after the Red Army occupies the city.

Set in the turmoil years of China, a foreign girl is saved and protected when she suicides because of her Chinese lover has been put into prison for mourning Premier Zhou.