A.J. Langer is «Abby» in The Fatigues (Season 8 - Episode 6).

Al Fann is the judge in The Ticket (Season 8 Episode 10).

Al Roker is himself in The Cigar Store Indian (Season 5 - Episode 10).

Al Ruscio is Mr. Vizaki in The Pilot (Season 4 Episodes 23-24).

Al White is Detective Udewitz in The Little Jerry (Season 8 - Episode 11).

Alec Mapa is Paul, the shortest of the towel guys in The Pool Guy (Season 7 - Episode 8).

Alex Kapp is Maura in The Strongbox (Season 9 Episode 14).

Alexandra Wentworth is Sheila in The Soup Nazi (Season 7 - Episode 6).

Alison Armitage is Cheryl in The Jimmy (Season 6 Episodes 18).

Allan Havey is the cop that appears in the final scene of The Wait Out (Season 7 - Episode 23).

Allan Wasserman is John Grossbard in The Airport (Season 4 - Episode 12).

Amanda Peet is Lanette in The Summer of George (Season 8 Episode 22).

Amy Hill is Kim in The Understudy (Season 6 Episode 24).

Ana Gasteyer is Soup Nazi client in The Soup Nazi (Season 7 - Episode 6).

Angela Featherstone is Cindy in The Maid (Season 9 Episodes 19).

Anita Barone is Gail Cunningham in The Shoes (Season 4 Episode 16).

Ann Morgan Guilbert is Evelyn in The Cadillac (Season 7 Episode 14-15).

Ann Talman is Robin Sandusky in The Good Samaritan (Season 3 - Episode 19).

Anna Gunn is Amy in The Glasses (Season 5 Episode 3).

Anne Twomey is Rita Kirson in The Virgin (Season 4 Episodes 10) and in The Pilot (Season 4 Episodes 23-24).

Annie Korzen is Dorys in three episodes. The first The Pen (Season 3 - Episode 3).

Anthony Cistaro is Joel Rifkin in The Masseuse (Season 5 Episode 9).

Anthony Mangano is the gay marine in The Outing (Season 4 - Episode 17) and the fireman in The Maid (Season 9 - Episode 19).

Anthony Ponzini is Enzo Mangianero in The Barber (Season 5 - Episode 8).

Anthony Starke is Jimmy in The Jimmy (Season 6 Episode 19).

Arminae Azarian is Saleswoman in The Scofflaw (Season 6 Episode 9).

Ashley Gardner is Marion in The Library (Season 3 - Episode 5).