Interesting...
http://www.opensecrets.org/indivs/search.asp?txtName=gilbert%2C+melissa&NumOfThou=0&txt2004=Y&submit=Go%21
GILBERT, MELISSA
LOS ANGELES,CA 90025
SCREEN ACTORS GUILD
12/17/2003
$2,000
Lincoln, Blanche
GILBERT, MELISSA
LOS ANGELES,CA 90025
SCREEN ACTORS GUILD/PRESIDENT
6/30/2003
$2,000
Gephardt, Richard A
GILBERT, MELISSA
LOS ANGELES,CA 90025
SELF/ACTOR
2/12/2004
$2,000
Clooney, Nick
I have no doubt she'll contribute to Kerry, if she hasn't already.