Larry David Creator Jerry Seinfeld Jerry Seinfeld Creator, Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Julia Louis-Dreyfus Elaine Benes Actor Jon Voight Himself Guest Star Ian Abercrombie Mr. Pitt Guest Star Ken Thorley Car Salesman Guest Star Elsa Raven Mom Guest Star Mike Robelo Pop Guest Star Nancy Balbirer Woman At Party Guest Star Bryan Cranston Tim Whatley Guest Star Rick Fitts Dentist Guest Star Dan Frischman Guy On Phone Guest Star Wayne Knight Newman Actor Heidi Swedberg Susan Ross Actor Estelle Harris Estelle Costanza Actor Jerry Stiller Frank Costanza Actor Andy Ackerman Director Tom Gammill Writer Max Pross Writer