Conventions of a Thriller
A Thriller is a villain driven plot. The villain presents obstacles the hero must overcome.
Thrillers have:
- Fast pacing
- Frequent action
- Resourceful heroes who must thwart the plans of more powerful and better equipped villains.
Thrillers uses devices such as:
- Suspense
- Red herrings
- Cliffhangers
Red herrings - are used to refer to something that misleads or distracts from the relevant or important issue. It may be either a logical fallacy or a literary device that leads audience or characters towards a false conclusion. In other words, red herrings are used to confuse the audience and draw their attention away from important part of a movie.
Cliffhangers - a plot device in fiction which features a main character in a precarious or difficult dilemma, or confronted with a shocking revelation at the end of a movie. A cliffhanger is hoped to ensure the audience will return to see how the characters resolve the dilemma. In other words, cliffhangers are used to draw the audience into the movie at the end of it by not allowing them to know the true conclusion. Then, the other movie is made.
- Danger and violent confrontations are standard plot elements of a Thriller.
- The climax of a mystery is when the mystery is solved, a thriller climaxes when the hero finally defeats the villain, saving his own life and often the lives of others.
- Thrillers can be defined by the primary mood that they create: Fearful excitement.
If it Thrills you - Its a Thriller.
Thriller is a very flexible genre. It usually includes some sub-genres which may also include elements of other genres.
Action Thriller - violent, obvious antagonist, a lot of guns and explosions. Examples: James Bond films, The Transporter and The Jason Bourne novels.
Conspiracy Thriller - hero confronts a large, powerful group of enemies whose true extent only he/she recognizes. Examples: Three days of the Condor, Capricorn One and JFK.
Crime Thriller - focused on criminals, rather than policeman. Offers a suspenseful account of a successful or failed crime or crimes. Includes murders, robberies, chases, shootouts. Examples: The Killing, Seven, Inside Man, Reservoir Dogs.

Disaster Thriller - about natural or artificial disaster such as floods, earthquakes, hurricanes, volcanoes, etc., or nuclear disasters as an artificial disasters. Example: 2012
Drama Thriller - slower paced and involves a great deal of character development along with plot twists. Examples: The Illusionist, The Interpreter, The Prestige.
Legal Thriller - lawyer - heroes/heroines confront enemies outside, as well as inside, the courtroom and are in danger of losing not only their cases but their lives. Example: A Time To Kill

Medical Thriller - Involves a medical personnel. Examples: Awake, The Hot Zone.
Political Thriller - hero/heroine must ensure the stability of the government that employs him. Examples: Seven Days in May, Agency, The Day of the Jackal.

Psychological Thriller - emotional or mental conflict, rather than physical. Examples: Suspicion, Shadow of a Doubt, Strangers on a Train, Blue Velvet.
Spy Thriller - Hero is generally a government agent who must take action against agents of a rival government or terrorists. Examples: 24, From Russia, with Love.

Techno-thriller - technology is described in detail and make essential to the viewer's understanding of the plot. Examples: The Hunt for Red October.
Religious Thriller - related to religious objects, institutions and questions. Examples: The Da Vinci Code, The name of the Rose, Foncault's Pendulum.