Kathy Griffin is Sally Weaver in The Doll (Season 7 Episode 17) and in The Cartoon (Season 9 Episode 13).
Kay E. Kuter is the head Latvian Orthodox priest in The Conversion (Season 5 Episode 11).
Keith Morrison is the Newscaster in The Trip (Season 4 - Episodes 1 and 2).
Keith Sellon-Wright is Guy in The Muffin Tops (Season 8 Episode 21).
Kelly Coffield Park is Noreen in The Pledge Drive (Season 6 Episode 3) and in The Chinese Woman (Season 6 Episode 4).
Ken Thorley is Vic the car salesman in The Mom and Pop Store (Season 6 - Episode 8).
Kevin Dunn is Joel Horneck, a childhood friend of Jerry's in Male Unbonding (Season 1 Episode 4).
Kevin McDonald is Steve (Denim Vest) in The Strike (Season 9 Episode 10).
Kevin Page is Stu Chermack in five episodes. The first The Pitch (Season 4 Episode 3).
