Jerry Seinfeld Jerry Seinfeld Creator, Actor, Writer Larry David Creator, Executive Producer, Writer Jason Alexander George Costanza Actor, Director Michael Richards Cosmo Kramer Actor Julia Louis-Dreyfus Elaine Benes Actor Jay Brooks Sid Guest Star Keith Hernandez Himself Guest Star Lee Arenberg Mike Guest Star Wayne Knight Newman Guest Star Richard Fancy Mr. Breckman Guest Star Rae Allen Mrs. Sokol Guest Star Norman Brenner Beder Actor Richard Venture Leonard West Guest Star Edward Penn Owen Guest Star Carol Ann Susi Carrie Guest Star Lisa Mende Carol Guest Star Tucker Smallwood The Photographer Guest Star Roger McDowell Himself Guest Star Heidi Swedberg Actor Estelle Harris Actor Jerry Stiller Actor Tom Cherones Director David Steinberg Director Joshua White Director Larry Charles Writer Peter Mehlman Writer Elaine Pope Writer Tom Leopold Writer George Shapiro Executive Producer Bob Shaw Writer Don McEnery Writer Matt Goldman Writer Howard West Executive Producer Larry Levin Writer