Best movies like Inside the Lines

A unique, carefully handpicked, selection of the best movies like Inside the Lines Starring Lewis Stone, Marguerite Clayton, George Field, Arthur Allardt, and more. If you liked Inside the Lines then you may also like: Waterfront, Nazi Agent, Operation Secret, The Kaiser's Shadow, Bon Voyage and many more popular movies featured on this list. You can further filter the list even more or get a random selection from the list of similar movies, to make your selection even easier.

A spy known as "1932" during World War I, is commissioned by the German Secret Service to trail English agent Captain Woodhouse to the Straits of Gibraltar and there effect the destruction of the British fleet. Before his departure, 1932 helps Jane Gerson, an American girl falsely accused of espionage, and later falls in love with her.

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Waterfront

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.

Nazi Agent

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.

Operation Secret

After assisting the French Underground during WWII, an American Officer is later accused of murder and subversive activities by former colleagues. Based on the actual exploits of Lieutenant Colonel Peter Ortiz.

The Kaiser's Shadow

French scientists are developing a secret weapon, a gun that uses the mysterious powers of X-ray and ultra violet rays, called a "Ray Rifle." Miss Dalton played the girl that would protect it from German spies.

Bon Voyage

A young, Scottish RAF gunner is debriefed by French officials about his escape from Nazi-occupied territory. They are particularly interested in one person who may or may not have been a German agent.

Confessions of a Nazi Spy

FBI agent Ed Renard investigates the pre-War espionage activities of the German-American Bund.

Eyes in the Night

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

Darling Lili

World War I. Lili Smith is a beloved British music hall singer, often providing inspiration for the British and French troops and general populace singing rallying patriotic songs. She is also half German and is an undercover German spy, using her feminine wiles to gather information from the high ranking and generally older military officers and diplomats she seduces.

Secret Agent

After three British agents are assigned to assassinate a mysterious German spy during World War I, two of them become ambivalent when their duty to the mission conflicts with their consciences.

Telefon

Nicolai Dalchimski, a mad KGB agent steals a notebook full of names of "sleeping" undercover KGB agents sent to the U.S. in the 1950's. These agents got their assignments under hypnosis, so they can't remember their missions until they're told a line of a Robert Frost poem. Dalchimski flees to the U.S. and starts phoning these agents who perform sabotage acts against military targets.

Mata Hari

A semi-fictionalized account of the life of Mata Hari, an exotic dancer who was accused of spying for Germany during World War I.

Marie Galante

On the French coast, unlucky Marie Galante is abducted and forced to board an American cargo ship bound for the Panama Canal. When an escape attempt leaves Marie high and dry in the Yucatan, she takes work as a nightclub singer to earn her safe passage to the Canal region. But Marie faces bigger problems when she gets mixed up in a destructive plot against the U.S. Naval fleet, and so she accepts the kindly assistance of secret agent Dr. Crawbett.

The Spy in Black

A German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.

Sealed Cargo

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.

Careful, Soft Shoulders

In this espionage movie, set in Washington during WW II, the daughter of an ex-senator has become a dress model. She is approached by an American counter-espionage agent who offers her a chance to serve her country. The carefree son of a naval official receives a similar offer. He is asked to secure secret Naval plans. Unbeknownst to them, the man they work for is actually a Nazi spy. The two dupes finally figure it out, and the spy kidnaps them. Somehow they escape and break up the spy ring.

Secret Enemies

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

Smashing the Spy Ring

G-Men in Washington break up a powerful spy ring and capture the ringleaders.

British Intelligence

During WWI pretty German master spy Helene von Lorbeer is sent undercover to London to live with the family of a high-placed British official where she is to rendezvous with the butler Valdar, also a spy, and help him transmit secret war plans back to Germany.

Down in San Diego

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.

Britannic

It was the sister ship of the infamous Titanic... and its final destiny was the same. Experience the true untold story of Britannic, a tumultuous, epic voyage of human passion, courage and betrayal aboard an ill-fated ocean liner bound for a shattering demise. With the world at war, an undercover British agent (Amanda Ryan), embarks the Britannic in search of a German spy believed to be on board to sabotage the ship. Posing as a governess, the undercover agent finds herself falling in love with the ship's chaplain (Edward Atterton). In a stunning discovery, the lovers suddenly find themselves enemies of war. And when a massive explosion deals a deathblow to the ship, their battle becomes one for their own survival. With a dynamic, international cast and a story line that hosts a chilling tale of espionage, politics and romance, Britannic brings one of history's most devastating events to riveting, new life.

Atlantic Convoy

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.

Enemy Agents Meet Ellery Queen

Detective Ellery Queen aids Free Dutch agents battle Nazi spies over a prize of industrial diamonds.

The Secret Game

In the office of Major Northfield, the quartermaster of the Pacific Coast, a leak has been discovered which may endanger the safety of American transports that are secretly carrying troops across the Pacific. Nara-Nara, a Japanese detective, is assigned to the case because his country has guaranteed safety to these transport ships. Nara-Nara believes that Northfield is guilty, although in reality it is Northfield's secretary Kitty Little, a girl of German ancestry, who is passing information to Dr. Ebell Smith, a German agent. Nara-Nara falls in love with Kitty, but soon after discovers that she is the leak in the quartermaster's office.

Espionage Agent

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.

Underground Agent

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.

Tarzan's Desert Mystery

A letter from Jane, who is nursing British troops, asks Tarzan's help in obtaining a malaria serum extractable from jungle plants. Tarzan and Boy set out across the desert looking for the plants. Along the way they befriend a stranded American lady magician.

Meet Maxwell Archer

Maxwell Archer, a private detective, attempts to clear a young man wrongly accused of murder.

I Escaped from the Gestapo

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.

Captain Carey, U.S.A.

Near the end of World War II, a secret American raid on an enemy transportation hub goes very wrong when a turncoat warns the enemy. Led by Capt. Webster Carey, the mission causes the deaths of many bystanders -- among them, Carey believes, his Italian girlfriend, Giulia de Graffi. Back home, Carey stumbles across evidence that might uncover the identity of the informant. But, when he returns to Italy to get even, Carey is stunned by what he finds.

Inside the Lines

During World War I, German spies will stop at nothing to spy on the allied war plans stored at Gibraltar.

The Destructors

Foreign agents are after a substance called "laser rubies" that can power a killer laser beam. Government agents are dispatched to protect the rubies and eliminate the foreign agents.

Hotel Reserve

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

Navy Secrets

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.

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