Jerry Seinfeld Jerry Seinfeld Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Phil Morris Jackie Chiles Guest Star Debra Jo Rupp Katie Guest Star Brenda Strong Sue Ellen Guest Star Bob Odenkirk Ben Guest Star Meagen Fay Mrs. Burns Guest Star Tamara Bick Louise Guest Star Alex Trebek Himself Guest Star Derek Jeter Himself Guest Star Bernie Williams Himself Guest Star Lawrence A. Mandley Larry Guest Star Noëlle Balfour Waitress Guest Star David Letterman Himself Guest Star Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer