Jerry Seinfeld Jerry Seinfeld Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Julia Louis-Dreyfus Elaine Benes Actor Jerry Stiller Frank Costanza Guest Star Estelle Harris Estelle Constanza Guest Star Ian Abercrombie Mr. Pitt Guest Star Larry Miller Doorman Guest Star Patrick Cronin Farkus Guest Star Reni Santoni Poppie Guest Star Edith Fields Mrs. Payton Guest Star Raymond O'Connor Night Doorman Guest Star Jack Betts Mr. Green Guest Star Toni Sawyer Tenant 1 Guest Star Nigel Gibbs Tenant 2 Guest Star Deck McKenzie Delivery Man Guest Star Trudi Forristal Buxom Woman Guest Star Andy Ackerman Director Tom Gammill Writer Max Pross Writer