Since so many tops here:

1. Ashara
2. Talos
3. Vette
4. Mako
5. Khem

HM to Gault. Ashara and Talos lead by a lot, after that it is much closes. If go by group setup:

Tank -- Khem Val
Heal -- Talos
Ranged dps -- Vette
Melee dps -- Ashara.