ListSimilar.

1. The Man Who Knew Too Much

A couple vacationing in Morocco with their young son accidentally stumble upon an assassination plot. When the child is kidnapped to ensure their silence, they have to take matters into their own hands to save him.

It has an average vote of 7.456 on TMDB.

2. The Conversation

Surveillance expert Harry Caul is hired by a mysterious client's brusque aide to tail a young couple. Tracking the pair through San Francisco's Union Square, Caul and his associate Stan manage to record a cryptic conversation between them. Tormented by memories of a previous case that ended badly, Caul becomes obsessed with the resulting tape, trying to determine if the couple is in danger.

It has an average vote of 7.525 on TMDB.

3. North by Northwest

Advertising man Roger Thornhill is mistaken for a spy, triggering a deadly cross-country chase.

It has an average vote of 7.986 on TMDB.

4. Casablanca

In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.

It has an average vote of 8.161 on TMDB.

5. Notorious

In order to help bring Nazis to justice, U.S. government agent T.R. Devlin recruits Alicia Huberman, the American daughter of a convicted German war criminal, as a spy. As they begin to fall for one another, Alicia is instructed to win the affections of Alexander Sebastian, a Nazi hiding out in Brazil. When Sebastian becomes serious about his relationship with Alicia, the stakes get higher, and Devlin must watch her slip further undercover.

It has an average vote of 7.761 on TMDB.

6. The Saint

Simon Templar , is a thief for hire, whose latest job to steal the secret process for cold fusion puts him at odds with a traitor bent on toppling the Russian government, as well as the woman who holds its secret.

It has an average vote of 6.1 on TMDB.

7. L'Agence Bouray (L'Agence Bouray)

(L'Agence Bouray)

8. The Lady Vanishes

On the eve of World War II, zany heiress Amanda Kelly travels by train to Switzerland. While passing through Germany, she meets a sweet elderly lady, who suddenly vanishes. Distraught, she questions her fellow passengers who claim that the woman was never there. Unsure if it's all in her mind or if there's a more sinister plot afoot, Amanda teams up with photographer Robert Condon to discover the truth.

It has an average vote of 6.025 on TMDB.

9. Charade

After Regina Lampert falls for the dashing Peter Joshua on a skiing holiday in the French Alps, she discovers upon her return to Paris that her husband has been murdered. Soon, she and Peter are giving chase to three of her late husband's World War II cronies, Tex, Scobie and Gideon, who are after a quarter of a million dollars the quartet stole while behind enemy lines.

It has an average vote of 7.685 on TMDB.

10. Princess Principal Crown Handler: Chapter 1 (プリンセス・プリンシパル Crown Handler 第1章)

Control — the Commonwealth's covert ops group — suspects a double agent within the Kingdom's royal family and dispatches Ange and the rest of "Team White Pigeon" to discover the truth.

It has an average vote of 6.1 on TMDB.

11. 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.

It has an average vote of 6.063 on TMDB.

12. Enemy Agent

A man is framed for being a spy. After he is released, he sets out to find who the real spies are.

It has an average vote of 5.5 on TMDB.

13. Covert One: The Hades Factor

Academy Award winner Mira Sorvino, Academy and Golden Globe Award winner Anjelica Huston and Stephen Dorff star in this nail-biting tale of action and intrigue about members of an elite undercover team who race against time to locate the source of a deadly virus threatening the lives of millions of Americans.

It has an average vote of 5.9 on TMDB.

14. Agent Cody Banks 2: Destination London

With all-new gadgets, high-flying action, exciting chases and a wisecracking new handler, Derek , Cody has to retrieve the device before the world's leaders fall under the evil control of a diabolical villain.

It has an average vote of 5.558 on TMDB.

15. Chamku (Chamku)

A traumatized child becomes a political activist but agrees to become an assassin upon being captured.

It has an average vote of 4.4 on TMDB.

16. The Magnificent One (Le Magnifique)

A writer of pulp fiction imagines himself as the dashing hero and his English neighbor as his love interest.

It has an average vote of 7.047 on TMDB.

17. The Spy Ring

Two American-army officers are working on a new type of machine-gun for anti-aircraft warfare, when one of them is murdered. The other vows to get the spies that are after the invention and avenge his friend's death.

It has an average vote of 5 on TMDB.

18. At Ten O'clock on the National Day (国庆十点钟)

Set in 1953, spies plan to set off a explosion on the National Day.

It has an average vote of 7 on TMDB.

19. Hunt (헌트)

After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.

It has an average vote of 6.663 on TMDB.

20. Negresco (Negresco - Eine tödliche Affäre)

The wife of a international spy arrives in Berlin for a holiday. While her husband is away, she falls in love with a British photographer.

It has an average vote of 4.2 on TMDB.