In this case when your in the process of making a film or even a opening sequence, you always have to think of what type of audience its going to be aimed at. For instance you cant have a romantic/sexual film and have an audience of Under 7 year olds !!
In 2009, UK produced 31 thrillers and altogether approximately 323 films of different genres.
Personally i though there would have been more thriller movies released, as I think that's a popular genre.
However some thriller movies are categorised under a different group for example Action/Action thriller.
''Action, animation and comedy account fro 52% of Box Office in the UK in 2009''
i think they are popular because of their target audience. A significant amount of children are into Animation and comedy. The picture above shows what gender is more likely to watch a film in this genre..
* Romantic = Females
* Comedy = Female&Males
* Action = Males
The StepFather- 15
The Shining- 15
Enemy Of State- 15
Fatal Attraction- 18