Who is who...?

I want to know who is who....
Is it so difficult?
I only know the names of the actors:

Paul: Alex Meraz
Jared: Bronson Pelletier
Embry: Kiowa Gordon

http://www.youtube.com/watch?v=xF60-dz1L0g&NR=1

http://www.youtube.com/watch?v=M-iD2d24Cqc&feature=related

Here you are!!!

http://www.youtube.com/watch?v=Ugmxp8OvRGE&feature=related