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 [23]: 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
Shelley Morrison became a regular cast member in Season 3.
Elliot is Jack's biological son. Elliot's mother Bonnie used Jack's donation from the New York Family Clinic back in 1988. When Elliot was 12, he tracked down Jack. Desperate for Jack's attention, Elliot tried out for his high school cheerleading squad in 2004.
Episodes [8]: 03.22, 04.01, 04.03, 04.08, 04.09, 04.14, 04.20, 04.25
Michael Angarano became a regular cast member in Season 4 (but only appeared in one episode each in Seasons 5, 6, and 8).
Smitty is a bartender at Karen's favorite bar. His stories of woe always put a smile on her face.
Episodes [1]: 04.25
Ruben is a manager at Barney's New York department store. He is Dorleen's supervisor. When Dorleen is fired, Ruben offers the floor manager position to Jack.
Episodes [1]: 04.25
Will wins a photo session with famous celebrity photographer Fannie Lieber.
Episodes [1]: 04.23
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.
Detective Hatch used Will's stolen laptop to get to know him, hatching a wild story in order to spend time with him. He came out late in life, and had never dated anyone. He was a member of Dr. Foster's gay group therapy with Jack and he has a phobia of food in people's teeth.
Episodes [1]: 04.22
Vince was a potential client of Grace's. After he divorced his wife, he wanted to redesign his house. He liked Grace's ideas, but he promised a meeting with the designer who recently moved in next door... Val.
Episodes [1]: 04.22
Alison is Will's cousin who lives out in Los Angeles. She is marrying his friend Bob.
Episodes [1]: 04.21
Rita Pigeon is the author of Will and Karen's favorite book, The Marriage of Equals.
Episodes [1]: 04.21
Will meets Ken at Elliot's basketball tournament. Will is the first gay person Ken has ever met.
Episodes [1]: 04.20
Zandra Zoggin is Acting Teacher Extraordinario. Jack brings Will to Zandra's "Acting On-Camera" class where Will lets his emotions flow and overcomes his fear of speaking on camera. After 5 years, Zandra finally tells Jack to get out. He defects from her class to start "The McFarland Method."
Stanley Walker's old business partner; they opened Señor Mattress together. He comes to Karen to ask for her help in financing a TV commercial to help his business.
Episodes [1]: 04.19
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.
George is Will, Sam, and Paul's father. Will finds out that George had told all of his friends and co-workers that Will and Grace are married. George has been having a long-term affair with Tina. George and Marilyn decided to divorce in 2002.
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 [10]: 01.01, 01.10, 01.18, 01.21, 02.01, 02.03, 02.19, 03.08, 04.16, 04.17
Rob is one of Will's friends who comes over for dinner, and to play poker and other games, like the home version of Pyramid, along with his wife Ellen. (They constantly lose to Will and Grace.) Rob and Ellen have two dogs, Harry and Ronnie, and three kids. Rob is also Will's accountant.
Episodes [11]: 01.01, 01.10, 01.18, 01.21, 02.01, 02.03, 02.19, 03.08, 03.17, 04.16, 04.17
Will and Grace's real estate agent shows them Sandra's apartment, not knowing that they pretended to buy it last year just to meet Sandra. Since Will and Grace f%@*ed her over last year, she hasn't been able to unload her piece of s#!% appartment.
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.
A straight guy posing gay to get the last spot in the Manhattan Gay Men's Chorus, which will tour Europe in the summer of 2002. Jack uses Grace to "in" him, but it was all for nothing since Owen made the choir anyway.
Episodes [1]: 04.15
Bonnie is the mother of Jack's biological son Elliot. While working as a nurse at the New York Family Clinic, she took Jack's unused sperm sample. She reveals that she is secretly a lesbian to Jack.
Episodes [1]: 04.14
Sarah almost didn't show up for her wedding to Danny after Grace roasted him at the rehearsal dinner.
Episodes [1]: 04.14
Grace had a high-school crush on Glenn. She met up with him again while visiting Stan in prison and she became one of those women in a polka-dot dress and a floppy hat who bakes cookies for convicts. Will represented Glenn in his appeal and won his first trial case.
Episodes [1]: 04.13
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.
Will dated Robert the dancer briefly. Will dumped him when his embarassing prancing became too much.
Episodes [1]: 04.11
Will had a one night fling with Curt after meeting him at the gym. After Curt blew him off, Will found out that Curt was using him as a rebound date and got back together with Mitchell.
Episodes [1]: 04.10
Mitchell (a.k.a. "Cuddle Bum") works out at Will's gym, and is the ex-boyfriend of Curt. After Will broke up with Michael, he had a rebound fling with Mitchell. It was winter. Mitchell didn't have any heat in his apartment, and asked Will, "I'm cold. Would you... cuddle me bum?"
Episodes [1]: 04.10
Grace's Aunt Honey is Bobbi Adler's sister, who lives in Brooklyn and is married to Sid.
Episodes [1]: 04.09
Daniel McFarland was married to Jack's mother, Judith. Jack found out last year that Daniel is actually his step-father. Daniel and Judith recently divorced.
Episodes [1]: 04.09
Lawrence is Jack's drag queen friend.
Episodes [1]: 04.09
(Clinton Leupp is best known as drag queen Miss Coco Peru.)
Nick the Plumber arrives on Thanksgiving day to fix Marilyn Truman's sink, and Karen can't resist.
Episodes [1]: 04.09
Judy Green is the Jewish candidate running for city council. Grace throws her a fundraiser before learning what her position is.
Episodes [1]: 04.08
Mrs. Freidman is an middle-aged Jewish woman who lives in Will and Grace's building. When she tells Grace that a Jewish woman, Judy Green, is running for city council, Grace decides to hold a fundraiser.
Episodes [1]: 04.08
Ted Bowers is the gay candidate running for city council. Will throws him a fundraiser before learning what his position is.
Episodes [1]: 04.08
A reporter for Channel 3 News. His interview with Will was a complete disaster.
Episodes [1]: 04.04
Summers is in Jack's acting class. She comments to Will that Jack doesn't have a handle on his instrument.
Episodes [1]: 04.04
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 [1]: 04.03
Kari Lizer is one of the show's writer/producers.
The bully at Will's elementary school gets a job as a lawyer at Doucette and Stein and resumes tormenting Will.
Episodes [1]: 04.02