Jerry Seinfeld Jerry Seinfeld Creator, Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Wayne Knight Newman Guest Star John O'Hurley J. Peterman Guest Star Richard Fancy Lippman Guest Star Rena Sofer Mary Anne Guest Star Melinda Clarke Alex Guest Star Chaim Girafi Jiffy Dump Guy Guest Star Sonya Eddy Rebecca Guest Star Barry Kramer Bag Guy Guest Star Elayn Taylor Book Fan Guest Star Paige Moss Girl Guest Star Viola Kates Stimpson Old Woman Guest Star Andy Ackerman Director Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer