Lauren Bowles is one of the Monk's waitress in 9 episodes. The first is The Apartment (Season 2 Episode 5).
Laurie Taylor-Williams is Rhisa in The Junk Mail (Season 9 Episode 5).
Lee Garlington is Claire in The Seinfeld Chronicles (Season 1 Episode 1).
Lisa Edelstein is Karen, in two episodes: The Mango (Season 5 Episode 1) and The Masseuse (Season 5 Episode 9).
Lisa Mende is Carol in four episodes. The first The Boyfriend 2 (Season 3 Episode 17).
Lisa Pescia is Joanne in three Seinfeld episodes. The first is The Cigar Store Indian (Season 5 Episode 10).
Liz Sheridan is Helen Seinfeld, Jerry's mother. She appears in 21 episodes. The first: The Stakeout (Season 1 Episode 2).
Lynn Alicia Henderson is Clerk in The Package (Season 8 Episode 5).
Lynn Clark is Vanessa in The Stakeout (Season 1 Episode 2) and in The Stock Tip (Season 1 Episode 5.
