Rob Schneider
Appeared on: "The Friar's Club" (Season 7, Episode 17)
Role on "Seinfeld": Bob, Elaine's partially deaf coworker
Since "Seinfeld": Schneider was an "SNL" cast member prior to his "Seinfeld" cameo. Afterward, he had roles in a number of Adam Sandler films ("Big Daddy," "50 First Dates") and a few movies of his own (the "Deuce Bigalow" films).
James Spader? Really? Every heard of Pretty in Pink, or Less than Zero, etc etc...