How do I set an actor to automatically talk to the player?

Is there a script to set a bounty?

Is there a script to make an actor hostile to the player?

How can I set actor dialogue without tying it to a quest?

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Sorry, rather new at all this. Any help is greatly appreciated!

1. It's called a FORCEGREET (which is a package) - Check it out on the wiki
2. Bounty is applied after crimes (when witnessed), you can muck about with crimes (and arrests) and especially the "go to jail" stuff, but I'm not sure you can amend the actual bounty applied (I've never seen anyone report that they have, anyway). Check out this and the linked "Crime" functions: http://www.creationkit.com/PlayerPayCrimeGold_-_Faction
3. FACTIONS. If you put an NPC in a Faction that is the ENEMY of the PlayerFaction and if the NPC is agressive enough, it will attack the player.
4. You can't really. Even "random dialogue" (like the comments a follower makes, when seeing a new cave) is tied to a quest (even if the quest is only their to collect lots of dialogue). I guess it depends what you want to do.

Okay, thanks. But I should have worded my third question a bit better. I meant a script that makes it so an actor becomes hostile to the character if a certain dialogue choice is selected. Is there a script for that?

In the end fragment for the topicinfo you could put

akspeaker.StartCombat(Game.GetPlayer())

Okay, thanks! That will help out.