Jerry Seinfeld Jerry Seinfeld Creator, Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Janeane Garofalo Jeannie Guest Star Bruce Davison Wyck Guest Star Grace Zabriskie Mrs. Ross Guest Star Warren Frost Mr. Ross Guest Star John O'Hurley J. Peterman Guest Star Joe Urla Dugan Guest Star Susan Walters Dolores Guest Star Todd Bosley Joey Guest Star Diana Castle Mrs. Zanfino Guest Star Stuart Quan Sensei Guest Star Herb Mitchell Businessman 1 Guest Star Heidi Swedberg Actor Estelle Harris Actor Jerry Stiller Actor Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer