Here are the 10 best romantic thrillers. What makes a romantic thriller thrilling is the romance on the edge. Romantic thrillers do not have to be overly dramatic and they do not have to be action packed, they just need to have some love and they need to keep people guessing.

  1. One of the most classic romantic thrillers ever made was 1942's “Casablanca.” This drama set in World War II is full of love, dreams, and complications. This best romantic thriller stars Humphrey Bogart, Ingrid Bergman and Claude Raines.

  2. Another classic romantic thriller deemed worthy of being called the best also stars Humphrey Bogart. This is “The Maltese Falcon.” This detective story is about a priceless statue, but it too has love in the air. Filmed in 1942, also starring Mary Astor and Peter Lorre.

  3. 1958's “Vertigo” stars James Stewart and Kim Novak in a romantic tale of intrigue and investigation. This movie is a classic Alfred Hitchcock film. It is beautifully scripted and the acting is amazing for it's time.

  4. “Mr. and Mrs. Smith,” a loosely done remake of a Hitchcock film, came out in 2005. This film stars Angelina Jolie and Brad Pitt as a married couple that come to find out they are both assassins and they have been hired to kill each other.

  5. When a suburban New York wife strays on her husband it has fatal consequences. 2002's “Unfaithful” is the sheer definition of a romantic thriller. This adulterous film stars Richard Gere, Diane Lane and Olivier Martinez.

  6. In “Killers” a single girl meets her Mr. Right, only to find out he is a contract killer. In love and determined to make their relationship work they stick together and battle their assassin neighbors. This is a very cute romantic thriller starring Katherine Heigl and Ashton Kutcher.

  7. Though not a very accurate tale of the tragedy, “Titanic” is a great romantic thriller. In 1997 Leonardo DiCaprio and Kate Winslet played ill-fated lovers upon this soon to be sunk ship. Though purely a fictional romantic affair, it still tugs at the heart strings.

  8. In 1998's “Armageddon” we learn that even in the face of the end of the world people can and will fall in love. This dramatic thrill ride is mostly known as a Bruce Willis flick, but the romance between the characters played by Ben Affleck and Liv Tyler is what puts it in the list of 10 best romantic thrillers.

  9. “Sleeping With The Enemy” was a very thrilling ride into the truth behind happy marriages. In this 1991 romantic thriller Julia Roberts plays the abused wife who does everything she can to get away. This includes faking her own death.

  10. In 1993 Quentin Tarantino made the romantic thriller “True Romance.” This film was full of drugs, drama and sex. Definitely a thrilling ride. It stars Christian Slater, Patricia Arquette, Dennis Hopper, Val Kilmer, and many other well known names.