Bryant Gumbel is himself in The Puffy Shirt (Season 5 - Episode 2).
C.K. Steefel is Kramer's Girlfriend in The Keys (Season 3 Episode 22) and Sylvia in The Cigar Store Indian (Season 5 Episode 10).
Carol Leifer appears in three Seinfeld episodes. The first is The Kiss Hello (Season 6 - Episode 16).
Carol Rosenthal is Ticket Clerck #1 in The Implant (Season 4 Episode 19).
Cary Elwes is David, Beth Lookner’s husband in The Wait Out (Season 7 Episode 23).
Cathy Cahlin Ryan is Hippie Girl in Van in The Keys (Season 3 Episode 22).
Cathy Lind Hayes is Woman Behind Elaine in The Movie (Season 4 Episode 14).
Chaim Jeraffi is the Jiffy Park Guy in The Wig Master (Season 7 Episode 18) and the Jiffy Dump Guy in The Muffin Tops (Season 8 Episode 21).
