Best movies like Secret Agent X-9

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.

A gripping tale of WWII naval warfare in the Baltics, starring John Mills as Lt. Freddie Taylor, a British submarine Captain. The crew of the Sea Tiger are summoned from leave on shore with their families, and sent on a secret mission to intercept the Nazi battleship Brandenburg. In the ensuing battle the British submarine is damaged by a German destroyer. The submarine is leaking fuel so badly that the crew won't be able to make it back to Britain before running out somewhere along the Danish coast. When it seems that their only option may be to blow up the submarine and try to escape to Denmark, seaman James Hobson hatches a plan...

A gang of urban street kids and a club of suburban would-be federal agents, at first rivals, join forces to rescue the father of one of the kids, the inventor of a super-explosive and its remote detonator, from the clutches of a band of foreign subversives call the "Flaming Torch Gang". A 12-episode movie serial with the chapters: •1. Enemies Within •2. The Blast of Doom •3. Human Dynamite •4. Blazing Danger •5. Trapped By Traitors •6. Traitors' Treachery •7. Flaming Death •8. Hurled Through Space •9. The Plunge of Peril •10.The Toll of Treason •11.Descending Doom •12.The Power of Patriotism

A tale of life on board a Royal Navy cruiser assigned to protect the vital convoys between America and England during WWII.

The Invisible Man's grandson uses his secret formula to spy on Nazi Germany in this comedy-thriller.

A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial lightning to sabotage the war effort.

Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The Mask.

A first-time captain leads a convoy of allied ships carrying thousands of soldiers across the treacherous waters of the “Black Pit” to the front lines of WW2. With no air cover protection for 5 days, the captain and his convoy must battle the surrounding enemy Nazi U-boats in order to give the allies a chance to win the war.

The crew of the American destroyer escort, the USS Haynes, detects a German U-Boat—resulting in a prolonged, deadly battle of wits.

A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

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.

Great Britain, 1944, during World War II. Relentlessly pursued by several MI5 agents, Henry Faber the Needle, a ruthless German spy in possession of vital information about D-Day, takes refuge on Storm Island, an inhospitable, sparsely inhabited island off the coast of northern Scotland.

While investigating the death of a friend and fellow cop, Los Angeles police officer Barney Caine stumbles across evidence that Nazis created a synthetic alternative to gasoline during World War II. This revelation has the potential to end the established global oil industry, making the formula a very valuable and dangerous piece of information. Eventually, Caine must contend with oil tycoon Adam Steiffel, who clearly has his own agenda regarding the formula.

Nazi spies use a stolen shortwave transmitter prototype to broadcast top secret shipping info to an offshore Japanese sub. To nab the spy ring, the Government has the West Coast's top radio engineers fired and shadowed to see if the Nazis recruit them to complete work on the prototype radio. Radio engineer Lew Deerhold, a resident alien without a job to pay for his adorable little ward Gina's life-saving operation, falls prey to the spy ring, and is swept up in a maelstrom of deceit and danger.

An intrepid radio reporter sets out to track down and expose Nazi agents.

Country singers on their way to Nashville have car trouble, forcing them to stop at an old haunted mansion. Soon they realize that the house is not only haunted, but is also the headquarters of a ring of international spies after a top secret formula for rocket fuel.

A Newfoundland fishingboat comes to the aid of a wrecked Danish sailing ship and tows it to a small village, but eventually the captain of the fishingboat realises that it's a U-boat supply ship in disguise, loaded with torpedoes. So, together with his crew and a group of villagers he sets about a plan to blow the ship as well as any U-boats that approach it. Based on the novel "The Gaunt Woman" by Edmund Gilligan.

For decades, pirates roamed the seas, searching for booty to plunder and coastal villages to terrorize. Who were these men and women? As you dig beneath the myth of Blackbeard, Captain Kidd and other legendary warriors of the waters in this docudrama, you'll discover who they were and what motivated them to wreak havoc wherever they sailed. Includes the movie Long John Silver's Return to Treasure Island.

Medical researchers Jerry Evans and Walt Hedges are assigned by a pharmaceutical company to work at a secret laboratory on a remote South Pacific Island in order to produce penicillium, the mold from which the magic drug penicillin is derived.

FBI agents Carl Becker and John Trent raid a New York hotel, sending Nazi spies to an upstate hunting lodge.

A brilliant scientist who has lost his memory is hunted by Communist agents out to obtain a secret formula.

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 group of war prisoners has spilt blood, sweat and tears to construct a bridge over the river Kwai in Thailand. Just when the bridge is ready, an American bomber arrives and destroys it. Camp commander Tanaka wants to set an example and orders that some of the prisoners must be executed. Just in time major Harada arrives with orders that the healthiest prisoners must be transported to Japan by train and boat. A treacherous journey since the allied forces keep a close eye on railroads and practically own the seas.

Story concerns a paper mill, a mortgage and the struggle to obtain the lost formula for making paper from seaweed. Star is given opportunity to introduce many daredevil features.

A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.

During the last days of World War II, Germany, desperate for any last grasp to defeat the allied powers, looked to their last remaining weapons and soldiers. The German Navy and the last remaining U-Boats were formed together for one desperate last mission – a mission to attack the United States Homeland, known as Operation Seawolf. Captain Hans Kessler, a grizzled submarine commander from both World Wars, is called into service to make one mission a success and help turn the tide of the war.

At the height of WWII, the Atlantic Ocean becomes a deadly battleground as an American torpedo boat fights against the constant bombardment of German forces.

Tarzan retells the story of a trip to Guatemala in which the ape-man had gone to aid a friend in searching for a very valuable totem pole called the Green Goddess. Second of two feature versions of the 1935 serial film "The New Adventures Of Tarzan", culled from the serial's last 10 episodes.

A movie serial in 12 Chapters: US naval officer Don Winslow is given command of Tangita Island, near Pearl Harbor, where a ring of saboteurs is trying to destroy ships carrying supplies to the troops stationed in the islands and sabotage the war effort under orders from an unknown leader.

A Nazi spy ring is after a chemical formula that increases the power of ordinary gasoline for U.S. Army aviation use. Two U.S. chemical companies are developing the formula, with each working on half for security purposes. The spies get half the formula and know that either of two chemists, Robert Norton or Tom Fielding, knows the rest. They capture Fielding, through a ruse by gang member Linda Pavlo, and threaten the life of his sister Nancy and his mother if he does not give them the formula. To protect his friend Fielding, who does know the formula and is engaged to Nancy, Tom pretends to know the secret and boards the Dawn Express plane with the spy leader and his gang.

A British convoy is trying to elude a group of German U-Boats.

Fact-based biography of James Bond author, Ian Fleming. The film focuses on his wartime exploits and romantic adventures which ultimately led to his creation of the super-spy.

In Greece during the war a small group of British commandoes and patriots land on an island with orders to attack two airfields from which the Luftwaffe is threatening allied forces in Egypt. The island is crawling with troops, and even moving by night the men soon run into trouble.

15-Chapter Serial about a scientist that discovers a formula for making synthetic gold and the people that want it.

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.