Susan on 'Seinfeld': 'Memba Her?! Susan on 'Seinfeld' 'Memba Her?! 5/3/2010 12:53 PM PT Heidi Swedberg is best known for playing George Costanza's fiancée Susan on the now classic '90s TV series "Seinfeld." Guess what she looks like now! Share on Facebook Share on X Heidi Swedberg TV Beauty Memba Them Seinfeld