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 Christine Dunford Leslie Guest Star Margaret Reed Mary Guest Star Vic Polizos Tabachnik Guest Star Marla Frees Stewardess Guest Star James Lashly Assistant Guest Star George C. Simms FBI Man Guest Star Don Perry Bill Guest Star Kate Mulligan Party Guest Guest Star Audrey Frantz Party Guest Guest Star Heidi Swedberg Actor Estelle Harris Actor Jerry Stiller Actor Tom Cherones Director Larry Charles Writer