A: Let's see. There's Kam Solusar, Gantoris, Streen, Brakiss, Tionne, Dorsk 81, Kirana Ti, Corran Horn, and Kyle Katarn. Those are the original 9 I can remember off the top of my head.
Kyp Durron and Clighal came soon after the first batch.
Googling reveals that Cray Minglas, Nichos Marr, and an unnamed alien could be in the original 12...