Jerry Seinfeld Jerry Seinfeld Creator, Actor, Writer Larry David Creator, Executive Producer, Writer Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Julia Louis-Dreyfus Elaine Benes Actor Siobhan Fallon Hogan Tina Guest Star Tracy Kolis Marlene Guest Star David Labiosa Antonio Guest Star Heather James Waitress Guest Star Patrika Darbo Glenda Guest Star David Tress Mr. Cohen Guest Star Norman Brenner Man Sitting in Diner Actor Pat Hazell Man in Other Bed Guest Star Marla Frees Stewardess Guest Star Deck McKenzie Bill Guest Star David Fresco Isaac Guest Star Karen Wilkie Woman in Audience Actor John Hillner Greeny Guest Star Heidi Swedberg Actor Estelle Harris Actor Jerry Stiller Actor Larry Charles Writer Peter Mehlman Writer George Shapiro Executive Producer Tom Cherones Director Howard West Executive Producer