Jerry Seinfeld Jerry Seinfeld Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor John O'Hurley J. Peterman Guest Star Julia Campbell Lisi Guest Star Peter Stormare Slippery Pete Guest Star Reuven Bar Reuven Bar Guest Star Sam Shamshak Sal Guest Star Wayne Wilderson Walter Guest Star Mark Daniel Cade Other Walter Guest Star Jack Esformes Mike Guest Star Melissa Denton Kobe Guest Star Oliver Muirhead Lubeck Guest Star Drake Bell Kenny Guest Star Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer Andy Ackerman Director Gregg Kavet Writer Andy Robin Writer Steve Koren Writer Dan O'Keefe Writer