D'Oh, sorry, Bren, forgot to list you in my cast summary above.

Cast v2.0

medic8r = Hank Azaria
Amie = Sandra Bullock or Shania Twain
JohnK = Patrick Stewart with a blonde wig.
kcarlile = James Hetfield
BrenR = Denis Leary
tomtuttle = Robert Downey, Jr.

What about Michael ("Kramer") Richards for pmbuko?

Bears, beets, Battlestar Galactica.