Jerry Seinfeld Jerry Seinfeld Actor Julia Louis-Dreyfus Elaine Benes Actor Jason Alexander George Costanza Actor Michael Richards Cosmo Kramer Actor Raquel Welch Herself Guest Star John O'Hurley J. Peterman Guest Star Molly Shannon Sam Guest Star Amanda Peet Lanette Guest Star Joe Urla Dugan Guest Star Victor Raider-Wexler Doctor Guest Star Peter Dennis Lew Guest Star Tucker Smallwood Malcolm Guest Star Wayne Wilderson Walter Guest Star Blake Gibbons Lyle Guest Star Adrian Sparks Man Guest Star Larry David Executive Producer George Shapiro Executive Producer Howard West Executive Producer Andy Ackerman Director Alec Berg Writer Jeff Schaffer Writer