Seinfeld Cast

Main Characters:

Jerry Seinfeld - Jerry Seinfeld
George Costanza - Jason Alexander
Cosmo Kramer - Michael Richards
Elaine Benes - Julia Louis-Dreyfus

Minor Characters (more than 5 episodes):

Newman - Wayne Knight
Estelle Costanza - Estelle Harris
Frank Costanza - Jerry Stiller
Susan Ross - Heidi Swedburg
Morty Seinfeld - Barney Martin
Helen Seinfeld - Liz Sheridan
J. Peterman - John O'Hurley
Mr. Steinbrenner - Larry David
Uncle Leo - Len Lesser
David Puddy - Patrick Warburton
Mr. Wilhelm - Richard Herd
Mr. Lippman - Richard Fancy
Mr. Pitt - Ian Abercrombie
Mr. Abbott - Danny Woodburn
Dugan - Joe Urla
Jackie Chiles - Phil Morris
Kenny Bania - Steve Hytner