Jerry Hauck is Tim Fields in The Old Man (Season 4 Episode 18).

Jerry Levine is the stationery store guy in The Big Salad (Season 6 - Episode 2).

Jerry Maren is Dad in The Yada Yada (Season 8 - Episode 19).

Jerry Seinfeld is Jerry Seinfeld in all 172 Seinfeld episodes.

Jerry Sroka is Todd in The Lip Reader (Season 5 - Episode 6).

Jerry Stiller is Frank Costanza, George's father in 27 episodes. His first appearance was in The Handicap Spot (Season 4 Episode 22).

Jesee D. Goins is Cop in The Hamptons (Season 5 Episode 21).

Jesee White is Ralph in The Cadillac (Season 7 Episode 14).

Jessica Hecht is Lindsay Enright in The Couch (Season 6 Episode 5) and in The Gymnast (Season 6 Episode 6).

Jessica Lundy is Naomi in The Watch (Season 4 Episode 6) and in The Bubble Boy (Season 4 Episode 7).

Jessica Tuck is Bonnie in The Label Maker (Season 6 Episode 12).

Jill Holden is Lisa in The Soul Mate (Season 8 Episode 2).

Jill St. John is Mrs. Abbot (Mickey's mother) in The Yada Yada (Season 8 Episode 19).

Jill Talley is Gail in The Soul Mate (Season 8 Episode 2).

Jim Fowler is Himself in The Merv Griffin Show (Season 9 Episode 6).

Jim J.Bullock is the male attendant in The Airport (Season 4 Episode 12).

Jimmy Bridges is Paramedic in The Jimmy (Season 6 Episode 19).

Joan Scheckel is Denise in The Beard (Season 6 Episode 16).

Jocelyne Kelly is Model in The Betrayal (Season 9 Episode 8).

Joe Lala is Priest in The Face Painter (Season 6 Episode 22).

Joe Ochman is Customer in The Scofflaw (Season 6 Episode 13).

Joe Urla is Dugan. He appears in six Seinfeld episodes. The first: The Foundation (Season 8 - Episode 1).

Joel McCrary is Don in The Dealership (Season 9 Episode 11).

Joel Polis is Reilly in The Comeback (Season 8 Episode 13).

John Apicella is Repairman in The Tape (Season 3 Episode 8).

John Bishop is Ticket Man in The Masseuse (Season 5 Episode 9).

John Capodice is Vic the laundry machines owner in The Revenge (Season 2 - Episode 7).