Best movies like Submarine Alert

Merchant seaman Archie Gibbs manages to survive when his ship is torpedoed by a German submarine. Disguising himself in the uniform of a dead Nazi spy, Gibbs is picked up by the Nazi U-boat. He manages to convince the German sailors that he's the spy, and in this guise he tries to rescue a group of captured Allied scientists.

The Unseen Enemy in this wartime meller is Nick (Leo Carrillo), the outwardly effusive manager of a San Francisco waterfront café. To make enough money to ensure his daughter Gen's (Irene Hervey) entree into society, Nick sells his services to a gang of foreign spies, who then use Nick's establishment as a rendezvous point. The plan is to covertly send out a Japanese vessel for the purpose of raiding and destroying American merchant ships. The spies' secret code is hidden in the lyrics of a song called "Lydia", which the unwitting Gen performs on request day after day.

A Nazi spy passes himself off as an optometrist in San Francisco's waterfront district. Someone robs him of his code book, and he must get it back.

Humble stamp dealer Otto Becker has little to do with international politics, so when he receives a surprise visit from his estranged twin brother and Nazi spy, Baron Hugo von Detner, his world is thrown into turmoil. Threatening Becker with deportation, Hugo forces him to use his shop as a front for espionage.

Following the suicide of an elderly Jewish man, investigative journalist Peter Miller sets out to hunt down an SS Captain and former concentration camp commander. In doing so he discovers that, despite allegations of war crimes, the former commander has become a man of importance in industry in post-war Germany, protected from prosecution by a powerful organisation of former SS members called Odessa.

Allied agents infiltrate the Nazi rocket complex at Peenemunde in order to obtain their secrets and sabotage the plant.The film alternates between German developments of the V-1 missile and V-2 rocket (with a German cast speaking their own language) and discovery by British Intelligence of the weapon.

After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

In a bold coup a Palestinian terrorist group captures the yacht Rosebud and kidnaps the millionaires five daughters on it. At first they demand film clips to be shown on major European TV stations. Undercover agent Martin is hired to hunt the terrorists down.

A former secret agent is sent to retrieve a priceless collection of stolen jewels from a Lisbon nightclub owner who worked both sides during World War II.

Broadway gamblers stumble across a plan by Nazi saboteurs to blow up an American battleship.

When a plot against a prominent Middle Eastern politician is uncovered, David Pollock, a professor of ancient hieroglyphics at Oxford University, is recruited to help expose the scheme. Pollock must find information believed to be in hieroglyphic code and must also contend with a mysterious man called Beshraavi. Meanwhile, Beshraavi's lover, Yasmin Azir, seems willing to aid Pollock -- but is she really on his side?

Screen superstars Clark Gable ("Gone With The Wind," "It Happened One Night") and sultry bombshell Lana Turner ("Peyton Place," "The Postman Always Rings Twice") team-up in this intriguing WWII drama. Suspected of being a Nazi spy, Dutch-resistance member Turner is given a last chance mission to redeem herself. Gable is an American colonel who falls in love with her. Co-starring Victor Mature ("My Darling Clementine") and Oscar-nominee Louis Calhern ("The Asphalt Jungle").

American Steve Kendall, a freighter's radio officer, discovers seaman Carlson sending an unauthorized message ashore as the ship approaches his war-poised homeland. Carlson is shot in cold blood when he jumps ship and Kendall, implicated in the espionage, swims ashore to avoid arrest. A woman he meets at the dock hides him in her apartment, where he learns Carlson was her brother, and they both work in a sabotage ring. Nedra is a singer at Tio's Cafe, and she approaches Tio for help when both the saboteurs and the secret police try to capture Steve.

Blind detective Duncan Maclain gets mixed up with enemy agents and murder when he tries to help an old friend with a rebellious stepdaughter.

William Castle directed this Sam Katzman production, a gritty crime thriller about a newly-discharged sailor who gets a job as a longshoreman in The Big Easy. He swiftly discovers mob corruption throughout the docks, and when a friend is killed by the gangsters, he convinces the police to let him go undercover and take matters into his own hands. Filmed on location on the docks and in the French Quarter.

Double-agent Alexander Eberlin is assigned by the British to hunt out a Russian spy, known to them as Krasnevin. Only Eberlin knows that Krasnevin is none other than himself! Accompanying him on his mission is a ruthless partner, who gradually discovers his secret as Eberlin tries to maneuver himself out of a desperate situation.

The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.

When the Switchblade, the most sophisticated prototype stealth fighter created yet, is stolen from the U.S. government, one of the United States' top spies, Alex Scott, is called to action. What he doesn't expect is to get teamed up with a cocky civilian, World Class Boxing Champion Kelly Robinson, on a dangerous top secret espionage mission. Their assignment: using equal parts skill and humor, catch Arnold Gundars, one of the world's most successful arms dealers.

Dana Andrews plays Bill Roberts, an American radio commentator station in Berlin in the months before Pearl Harbor. Having witnessed Nazi brutalities first hand, Roberts hopes to alert his listeners of impending dangers, and does so by sending out coded messages during his broadcasts. The Gestapo begins to suspect something and assigns glamorous secret agent Karen Hauen (Virginia Gilmore) to spy on Roberts. When she discovers that her own father (Erwin Kaiser) is supplying Roberts with vital secrets, she turns her back on the Nazis and joins our hero in his efforts.

A government agent stumbles upon an alien conspiracy to conquer Earth. Using a blue liquid created by the aliens to make soldiers stronger, he becomes The Prototype-the only hope for mankind.

A wounded soldier discovers his hospital is secretly run by the Nazis.

The US Government tries to track down embedded Nazi agents in the States.

A former US Operative, who lived in Russia in his earlier years and had been married there with a child, comes out of retirement to face down a former enemy, now running as a candidate for President in modern Russia. Working with a Russian policewoman, they work to uncover a plot to use biological weapons against certain factions of the Russian people to commit genocide. The virus would also be released in other populations, but would be treated making the candidate a hero. A side plot has the agent being reunited with his long lost daughter.

A young engineer is sent to post-WWII Berlin to help the Americans in spying on the Russians. In a time and place where discretion is still a man’s best friend, he falls in love with a mysterious woman who will take him on the dark side of evil.

Sam Gallagher returns home to Los Angeles as an undercover spy for the Navy, getting a job at the shipyards where his brother, Jeff, is a foreman. Jeff still resents Sam for abandoning the family years ago and fears he may steal away Lea Damaron, his current girlfriend -- who is Sam's old flame. While Sam tries to sniff out Nazi saboteurs in the plant, he grows closer to Jill McGann, the agent tasked with pretending to be his wife.

An inventor looking for backing for his television invention gets involved with a crooked businessman and gangsters who try to steal his invention.

From master storyteller and best-selling author, Ken Follett, comes the exotic spy-thriller based on true events. North Africa, Summer of 1942 — master spy, Alex Wolff is on a mission to send General Erwin Rommel's advancing army the secrets that would unlock the doors to Cairo... and the ultimate Nazi triumph in the war. Wolff's pursuer, Major Vandarn, engages the seductive charm of Elene Fontana to lure him into range for what is to be a startling and explosive confrontation.

In 1880s London, pornographic bookseller Verloc is a double agent for the Russian government, providing information to Chief Inspector Heat about a lazy anarchist organization. In order for the anarchists to be arrested, an act of terrorism must occur. So Verloc decides to set up bombs – which leads to tragedy – not only for himself but also for his family, including wife Winnie and brother-in-law, Stevie.

When a Polish sailor jumps ship in Britain, a couple of local intelligence operatives keep him under surveillance. Soon, he’s recruited to infiltrate a missile installation outside of East Berlin and bring back photos of the new rockets.

Napoleon Solo is captured by Thrush and replaced with a double.

In preparation for Operation Overlord, the Allied invasion of Nazi occupied territory, the 'overlords' were the few Allied agents who knew the details of the operation. When one them is captured by the Germans, a double agent must infiltrate occupied Paris, with the help of a high level German officer and the French resistance.

The "war of nerves" which gripped the European continent in 1938, is the background for this war thriller starring George Sanders.

Dutch patriots, a U.S. officer and a British spy fool the Nazis with a fake Soho film company.

World War II espionage drama, starring Preston Foster and Lynn Bari.

A former Navy man attempts to redeem his honor by exposing a shipping tycoon's dealings with the enemy.

Judy King, newly arrived in Washington, applies for a secretary job with a government agency and while being interviewed by Bob Carlton, an agent with the bureau, jokingly hints she may be a spy. While investigating her, he clears Judy and falls in love with her... and then uncovers a real Nazi spy ring.

Five defense workers on their way to the munitions factory tell their stories: a refugee from the French Resistance, a frustrated race car driver, a prison warden, a former Miss America, and an intellectual who dropped out of society and saw the country as a bum.

American naval forces are using a port in Iceland as a base for anti-submarine patrols to protect North Atlantic convoys from Nazi subs. The Nazis send undercover agents into the port in a scheme to blow up the entrance to the harbor and keep the patrols blocked in. The officers in charge of the patrols have to find the spies and stop them before they achieve their objective.

A police lieutenant and a patriotic professional gambler, rivals in life and love, combine efforts to corner a gang of Nazi saboteurs operating out of a barber shop, in which their mutual girlfriend works, and unmask its secret leader.

A code expert working for Naval Intelligence is assigned to decode enemy messages despite his desire for active duty.

With the help of a WAAC group, Mr. District Attorny smashes a Nazi spy-ring that is selling counterfeit War Stamps and Bonds.

When Barry Corvall discovers that his new bride is a possible enemy agent, he resigns from the diplomatic service to go undercover to route out an espionage ring planning to destroy American industrial capability.

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!

Gangster tries to censor a crusading radio station by jamming its signal.

Scientist-explorer David Lynd leaves wealthy bride-to-be June Claymore at the altar to join photographer Andy Parker and British secret service agent Leo Marzeli in search of rare minerals. They soon run afoul of crooked trader Tagani, who's been busily stockpiling weapons in the hills on behalf of his Nazi partners.

In this espionage caper, a government spy must keep enemy agents from spying upon a defense plant. His work is made easier by his newest invention, a word scrambler which makes it difficult for the enemy agent.

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.

Based on a true incident that occurred in 1942 when nine Nazi saboteurs were put ashore on the coast of Long Island, New York, by submarine, with orders to blow up various defense installations.

A hunt for a spy, in a hotel in the South of France just before World War Two.

After a stamp-collecting Navy chief petty officer is jailed following FBI and Naval Justice investigation, his fiancee meets one of his fellow officers, becomes romantically interested in him, and joins him in trying to get an envelope, believed to contain rare stamps, to its intended recipient, only to end up in a web of intrigue involving foreign-accented men who are unusually interested in that simple envelope.