Actors on both the West Wing and Parks & Recreation

Two of my favorite shows. These actors did both. Did I miss any?
  1. Rob Lowe - the obvious one.
  2. Helen Slayton-Hughes - Weird right?
  3. J.K. Simmons - hasn't aged a day.
  4. Nick Offerman - snuck him in there advocating for a wolves-only highway
  5. Bradley Whitford - Pillner For Pawnee
  6. Annabeth Gish - Liz Westin = best Bartlet daughter