The Stranded (Season 3 - Episode 10).
Ellen Ratner is Ellen in
The Contest (Season 4 - Episode 11).
Estelle Harris is Estelle Costanza in 27 episodes. The first was
Frances Bay is Mabel Choate in 3 episodes. The first: The Rye (Season 7 Episode 11).
Gail Strickland is Jocelyn Landis in The Chaperone (Season 6 Episode 1) and in The Switch (Season 6 Episode 11).
Gina Gallego plays Gina, the girlfriend of Jerry's «creepy neighbour» Martin in The Suicide (Season 3 Episode 15).
Gina Hecht is Dana Foley in 3 episodes. The first: "The Pick (Season 4 Episode 13).
The Wig Master (Season 7 Episode 18).
Gina Mastrogiacomo is Prostitute in
Grace Zabriskie is Mrs. Ross, Susan's mother in 5 episodes. The first: The Cheever Letters (Season 4 Episode 8).
The Phone Message (Season 2 - Episode 4).
Gretchen German is Donna (Cotton Dockers) in
The Package (Season 8 Episodes 5).
Heather Campbell is Photo Store Sheila in
The Pitch (Season 4 - Episode 3).
Heidi Swedberg is Susan Biddle Ross in 28 episodes. The first
Ilana Levine is Joyce, the gym instructor in The Contest (Season 4 Episode 11).