Jerry Seinfeld Jerry Seinfeld Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Wayne Knight Newman Guest Star Jerry Stiller Frank Costanza Guest Star Estelle Harris Estelle Constanza Guest Star Wilford Brimley Guest Star Patrick Warburton David Puddy Guest Star Laurie Taylor-Williams Rhisa Guest Star Toby Huss Jack Guest Star Dana Gould Frankie Guest Star Richard Kuhlman Man Guest Star Montrose Hagins Old Woman Guest Star Peggy Blow Mail Clerk Guest Star Clement Blake Dirt Person 1 Guest Star Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer Andy Ackerman Director Spike Feresten Writer