Rosario is Karen's feisty Salvadoran maid. She married Jack to get her green card; the two lived in the help's quarters of Karen and Stan's penthouse until Rosario divorced Jack to be with Gardener.
Episodes [50]: 01.22, 02.01, 02.02, 02.05, 02.12, 02.17, 02.18, 02.23, 03.01, 03.02, 03.03, 03.08, 03.11, 03.15, 03.22, 04.01, 04.04, 04.07, 04.08, 04.09, 04.13, 04.16, 04.25, 05.02, 05.06, 05.08, 05.09, 05.10, 05.16, 05.18, 05.22, 05.23, 05.24, 06.01, 06.14, 06.15, 06.16, 06.17, 06.22, 06.23, 07.04, 07.05, 07.11, 07.13, 07.14, 07.16, 07.17, 07.19, 07.22, 07.23
Shelley Morrison became a regular cast member in Season 3.
After trying to steal Rosario and then showing up at the Walker's annual Valentine's weekend to taunt Karen for being alone, Karen's arch-rival showed up at the HRC gala with "business associate" Benji and tried to outbid her in the silent auction. He was in Vegas for Karen's wedding and confessed to Will that Karen Walker was "the one who got away." His rich wife Crystal finally passed in 2005.
Episodes [7]: 03.14, 04.15, 05.17, 06.03, 06.23, 07.15, 07.22
Randall is a spoiled former child star who starred in the series "Small Boy Robot." Out TV brought him on to be the host of a new talk show produced by Jack.
Episodes [1]: 07.22
Will's mother, married to George Truman. They have three sons: Sam, Paul, and Will (her favorite). George and Marilyn decided to divorce in 2002. After the divorce became final in 2003, she became depressed and moved in with Will. After spraining her ankle, she was forced to stay with Will for a couple more weeks. In 2004, she invited Grace to her house for a tea party and Grace broke her favorite Lladro figurine.
Episodes [8]: 04.09, 04.18, 06.03, 06.04, 06.06, 06.21, 07.11, 07.21
Joanne was the star pupil in Jack's acting class. After Jack teaches her to be an "attractress," she gets her first part in a toothpaste commercial. With Jack's help, she has become a TV commercial actress for products such as Imodium-AD, Monostat 7....
Wendell was a former student of Jack's acting class. When Jack abandoned the class, Wendell took over teaching The McFarland Method to his students.
Episodes [1]: 07.21
Burt Wolfe is one of Martin Adler's friends and golfing buddies. He's a semi-retired dry cleaner. He likes to spy on Grace through binoculars.
Episodes [1]: 07.20
Desmond is an actor hired by Out TV to appear on "Pink'd" as Will's date. He pretended to be blind.
Episodes [1]: 07.20
Martin is Grace's joking father. He is married to Bobbi Adler, and they have three daughters: Janet (the oldest), Grace and Joyce. He missed Grace's wedding when he threw his back out.
Episodes [1]: 07.20
Dr. Keller is Will's new therapist, tough but good. She wrote a book on seasonal affective disorder and New York Magazine named her one of the city's Top 75 therapists.
Episodes [1]: 07.19
Dr. Norman is Karen's optometrist, who fits her with the devil goggles.
Episodes [1]: 07.19
Ellen is Grace's friend and was also her college roommate. She often comes over for dinner and games with her husband, Rob. Rob and Ellen haven't been seen much since they got married and moved to New Jersey. Ellen had a baby boy in 2002, and by 2005 had three children.
Episodes [15]: 01.01, 01.10, 01.18, 01.21, 02.01, 02.03, 02.19, 03.08, 04.16, 04.17, 05.08, 05.09, 05.15, 05.16, 07.18
Edward was Stanley Walker's pastry chef. Will convinced Karen that she should fire him to save money, but Will couldn't resist him or his tasty treats — and neither could Karen. After Karen and Will found out he was also sexing Rosario, they were going to fire him.
Episodes [1]: 07.17
The Tony award-winning actress, famous for playing "Evita" on Broadway.
Episodes [1]: 07.14
Will meets Vince by coincidence when Vince stops Will and Karen for speeding. Vince is friends with Joe and Larry, and they have been trying to set up Will and Vince for years. Will and Vince soon began dating.
Episodes [9]: 06.18, 06.19, 06.20, 07.02, 07.05, 07.07, 07.10, 07.12, 07.13
Gary is an attorney at the Law Offices of Doucette and Stein. He accuses Will of kissing Mr. Stein's ass, while also playing tennis with the partners behind Will's back. His wife's name is Nicole. He competed with Will for a promotion to partner in 2005.
Margot is the new senior partner at Will's law firm. She invites the three candidates for partner (Will, Gary, Roz) to her house for dinner. She promotes Will to partner; Gary and Roz go home devastated.
Episodes [1]: 07.13
Margot invites Grace to meet Leonard, without telling Grace that Leonard is her husband. He likes to be spanked.
Episodes [1]: 07.13
The manager of the grocery store where Vince worked after getting fired from the police force. Grace and Jack thought Vince was cheating on Will with Dennis. Dennis fired Vince after Vince cussed him out.
Episodes [1]: 07.12
Connie is an administrative assistant at the offices of Doucette and Stein, and works with Will. Seemingly oblivious to the fact that Will is gay, Connie has the hots for him and usually ends up putting her foot in her mouth when she talks to him.
Episodes [5]: 04.03, 05.06, 05.19, 06.13, 07.11
Kari Lizer is one of the show's writer/producers.
Olivia is Stanley Walker's daughter from his first wife, Carol. She visits her step-mother Karen over Christmas break.
Episodes [1]: 07.11
Annette is Vince's mother. Will took Annette shopping and had her wear a pair of heels. She fell and broke her toe. She is initially very hard on Will until she finds out that they are in love.
Episodes [1]: 07.10
Ro is Vince's sister. She was engaged to Matt, until she told Jack she was a lesbian and Will outed her on Thanksgiving.
Episodes [1]: 07.10
Sal is Vince's 16-year-old cousin. He is his Aunt Angie's son. He made out with both Karen and Grace on Thanksgiving.
Episodes [1]: 07.10
Peter appeared in a 70's TV commercial for hot cocoa as a 4-inch devil perched on the shoulder of Gabe Kaplan. His catch phrase "It's Sinfully Delicious" type cast him for the rest of his career. Jack and Karen spot him working at the Peninsula Hotel and Karen convinces him to be the spokesman for Out TV.
Episodes [1]: 07.09
Jimmy found Rip Taylor to be his spokesperson for Out TV, but Jamie liked Peter better.
Episodes [1]: 07.09
Dr. Marvin "Leo" Markus, a sexy Jewish doctor, falls for Grace — ruining her and Will's plans to have a baby. After a two-month romance, Leo and Grace impulsively wed. Leo and Grace lived in Leo's apartment in Brooklyn.
Episodes [19]: 05.01, 05.02, 05.03, 05.05, 05.07, 05.08, 05.09, 05.11, 05.14, 05.20, 05.23, 05.24, 06.01, 06.02, 06.03, 06.05, 06.23, 07.01, 07.08*
* #07.08: voice only
Alan works with Will. Will sets up a blind date for Grace with Alan. He's smart and has a great sense of humor. He also likes TV and hates museums, making him a perfect match for Grace.
Episodes [1]: 07.08
Karen trolled Manhattan to find Jack a date. She sets him up with Wayne, who is on the down low.
Episodes [1]: 07.08
Nadine is Vince's best friend. She is very sweet and overly supportive of Vince. And she hates Will. After Grace has a heart-to-heart with Nadine, Nadine finally realizes that she will never have Vince and she is able to move on to other men.
Episodes [1]: 07.07
Linus has owned a gay bookstore for fifty years. His store was going to close (to be turned into an Equinox gym), until Will and Jack stepped in and saved it... sort of.
Episodes [1]: 07.06
Larry and his partner Joe are two former party boy friends of Will and Jack's. They settled down in the South Hamptons and are raising a daughter, Hannah. They were married in 2001 in Vermont. Grace fixed him up with Will's father's mistress.
Episodes [11]: 03.03, 03.10, 03.17, 03.18, 04.12, 05.04, 05.08, 05.09, 05.15, 06.14, 07.05
Ralph is Vince's partner. He attends Will's birthday party with Vince. It was his first homosexual party.
Episodes [1]: 07.05
Ned recently moved into apartment 10C, directly above Will and Grace.
Episodes [1]: 07.04
Wacky neighbor Val moved into apartment 15F and befriended Will (which made Grace crazy jealous). She then moved to 12E and befriended Grace (then stole her music box). After seeing Jack's cabaret act Jack 2001, Val stalked him. When Val shows up again and tries to be friendly with Grace, Grace gives her the cold shoulder. To get back at her, Val opens a design business next door and steals Grace's ideas and clients. In 2004, Grace ran into Val at an AA meeting.
Mitchell was part of the Out TV focus group with Jack and Will. Mitchell was very outspoken against Will's boring ideas.
Episodes [1]: 07.03
Jon Kinnally is one of the series' writer/producer.
Artemus is a former lover of Karen's. They met in Seattle in 1992. They run into each other again when Jack faces Artemus in a dance-off to win the 5th backup dancer spot on Janet Jackson's tour. Karen begs Jack to throw the dance, but Janet ends up going with 4 dancers and lets them both go.
Episodes [1]: 07.02
After firing Jack, Jennifer Lopez sets him up to dance with Janet Jackson. He has a dance-off with Artemus Johnson, before Janet ultimately lets both of them go.
Episodes [1]: 07.02
Jennifer Lopez knew Rosario from the Bronx. When Karen ran into her in the casino bathroom, she asked J.Lo to sing at her wedding reception. When one of her dancers slipped and fell, Jack took the stage. She later asked Jack to go on tour with her.