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

Adelaide Miller is Gennice in The Understudy (Season 6 Episode 23).

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 Bokyun Chun is Lotus in The Understudy (Season 6 Episode 4).

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 Kolman is Cab Driver in The Movie (Season 4 Episode 14).

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

Allen Bloomfield is Polar Bear in n The Pez Dispenser (Season 3 Episode 14).

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).

Andrea Bendewald is Celia in The Little Jerry (Season 8 Episode 11).

Andrea Parker is Nurse in The Contest (Season 4 - Episode 11).

Angela Dohrmann is Donna Chang in The Chinese Woman (Season 6 Episode 4).

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).

Annabelle Gurwitch is Katy in The Cadillac (Season 7 Episode 14).