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 [40]: 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
Shelley Morrison became a regular cast member in Season 3.
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 [17]: 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
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.
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.
Episodes [1]: 06.23
Lyle's brother Marion flew in from England to attend Lyle and Karen's wedding.
Episodes [1]: 06.23
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.
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 [10]: 03.22, 04.01, 04.03, 04.08, 04.09, 04.14, 04.20, 04.25, 05.12, 06.21
Michael Angarano became a regular cast member in Season 4 (but only appeared in one episode each in Seasons 5, 6, and 8).
After Karen tells Jack that they won't be able to hang out like they used to, Jack holds auditions for her replacement. America narrowed it down to 3 finalists, with Phyllis taking the lead after showing impressive results in the spanking category.
Episodes [1]: 06.20
Jack and Karen run into Bebe Neuwirth at the coffee shop and confuse her for character Lilith from "Frasier."
Episodes [1]: 06.19
Deirdre is the lead partner of D & M Properties, a real estate flipping firm who operates on the East Side. Deirdre buys the real estate and Monet supplies the design talent.
Episodes [1]: 06.17
Karen and Jack met psychic John Edward at a book signing. Karen asked for his help to get in touch with Stanley to ask for his blessing to marry Lyle Finster.
Episodes [1]: 06.17
Monet is the softer partner of D & M Properties, a real estate flipping firm who operates on the East Side. Deirdre buys the real estate and Monet supplies the design talent.
Episodes [1]: 06.17
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."
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 [10]: 03.03, 03.10, 03.17, 03.18, 04.12, 05.04, 05.08, 05.09, 05.15, 06.14
Tall and handsome Adam joined Ann's cooking class and paired up with single Will. He was a hooker hired by Ann because Will was bringing down the entire class.
Episodes [1]: 06.14
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 [4]: 04.03, 05.06, 05.19, 06.13
Kari Lizer is one of the show's writer/producers.
Will meets rich plastic surgeon Alan at an art gallery. Alan and Will become "friends" and Alan begins showering him with expensive gifts and shopping sprees. After Will confronts his "sugar daddy" about his intentions, Alan is offended and Will is replaced.
Episodes [1]: 06.12
Looking for a sugar daddy of his own, Jack meets Bertram at the art gallery. Unfortunately, all Jack gets is a bus pass.
Episodes [1]: 06.12
The owner of Grace's new favorite Asian noodle place — until she drops a hot take-out container and he wants to charge her for a replacement.
Episodes [1]: 06.12
Janet is Grace's older sister. Her life is a mess and Grace is constantly having to help her.
Episodes [1]: 06.11
Will meets Barry Manilow after promising to go out on a date with Barry's road manager, Rudy.
Episodes [1]: 06.10
Cheryl is a dedicated Barry Manilow fan. She follows him around the country and even has web site dedicated to Barry. Her chat name in the Fanilow chat room is Copacafana82. She introduces Karen to the music of Barry Manilow.
Episodes [1]: 06.10
Rudy is Barry Manilow's road manager. When Rudy tries to strike up a conversation with Will, Will gives him the immediate brush-off... until he finds out that kissing up to Rudy will get him in to meet Barry.
Episodes [1]: 06.10
Grace runs into Alex at Jack's celebration dinner. They previously met — and made out — years earlier.
Episodes [1]: 06.09
Actress Candice Bergen is one of Karen's "friends". They spend their time playing practical jokes on each other.
Episodes [1]: 06.09
Stephanie meets Will at a restaurant. Not realizing that Will is gay, she thinks that he is hitting on her.
Episodes [1]: 06.09
Mean Nurse Carver took over teaching Jack's Basic Procedures class.
Episodes [1]: 06.08
Now that Karen is on the board of Walker, Inc. she must have a yearly physical. Karen took an immediate liking to Dr. Hershberg's wack-job personality.
Episodes [1]: 06.07
Eva works at the hospital where Jack has become a student nurse. She claims that Jack is the brightest student since Pilar Palabunda.
Episodes [1]: 06.07
Clark is a student nurse at the office of Dr. Hershberg. After a little flirting and over-the-smock fondling (followed by some under-the-smock fondling), Jack discovers his new passion and enrolls in student nursing school.
Episodes [1]: 06.07
Will meets Tom while pushing Marilyn through the park. Despite being a creepy mama's boy, Will goes out to dinner with him.
Episodes [1]: 06.06
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....
Gordon is the director of The Iceman Cometh at the Cherry Lane Theatre, starring James Earl Jones.
Episodes [1]: 06.04
James Earl Jones stars in the off-broadway production of The Iceman Cometh, in which Jack has a one-line part. He spends a week in Jack's acting class to brush up on the basics.
Episodes [1]: 06.04
Will met Andrew at the gym. Andrew seemed interested in him, but Will's mother kept getting in the way.
Episodes [1]: 06.04
Leo invites his ex-girlfriend Diane over for dinner. Jack lets it slip that she's also the only woman Will has ever slept with, sending Grace into a frenzy. After a few glasses of wine, Diane confesses that she's never got over Will — and that one time was the only time that she's ever had an orgasm. Karen ends up giving her Lorraine's teacup poodle.
Episodes [1]: 06.02