Jerry Seinfeld Jerry Seinfeld Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Illeana Douglas Loretta Guest Star Alex Kapp Maura Guest Star Louis Mustillo Phil Guest Star Nicholas Paul Walker Glenn Guest Star Mary Scheer Ms. Smoth Guest Star Bonnie McNeil Alison Guest Star Rosie Malek-Yonan Wife Guest Star Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer Andy Ackerman Director Dan O'Keefe Writer Billy Kimball Writer