Jobs within the industry

Within a horror films certain job roles come in at certain times.

Saw

<iframe width="560" height="315" src="https://www.youtube.com/embed/dAWK9V9Hk_A" frameborder="0" allowfullscreen></iframe>

opening Title sequence

1. Distributor
2. Production company
3. Producer/Producers
4. Writer
5. Film Title

The Texas Chainsaw Massacre 

<iframe width="420" height="315" src="https://www.youtube.com/embed/suold-07Zik" frameborder="0" allowfullscreen></iframe>

Opening Title Sequence

1) Production Company

2) Producer

3) Film Title

4)Cast

I feel that the people whom invest ,money into the film are those that go first. Normally the most famous actor is put at the start of all the cast this occurs due to a negotiation within agents.