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- Nadia Karella: Lesbian, portrayed by Jessica Capshaw; minor character with appearance in episodes 4x02 Livin' La Vida Loca, 4x03 Lassoed and 4x04 Layup.
- Slept with Bette Porter.
- Bryan Karikawa: Portrayed by Peter Shinkoda; minor character with appearance during seasons 1 and 2.
- Subaru representative that works with Dana's advertising campaign.
- Hunter Kirby: Straight, minor character; portrayed by Chris William Martin.
- Fellow writing student to Jenny in season 2.
- Tina Kennard: Bisexual, portrayed by Laurel Holloman. Main character.
- Mother of Angelica Porter-Kennard.
- Dated Eric previous to season 1; mentioned in episode 1.12:Looking back.
- Had an eight-year relationship with Bette Porter with a separation during season 2 and a breakup in season 3.
- Courted by Joyce Wischnia during season 2.
- Dated Helena Peabody during episodes 2.05:Labyrinth through 2.13:Lacuna.
- Attempted to have an affair with film producer Josh Brecker during episode 3.07:Lone Star.
- Had a relationship with Henry Young, through episodes 3.09:Lead, Follow, or Get Out of the Way to episode 4.11: Literary Licence to Kill.
- Courted by Kate Arden during season 4.
- Leonard Kroll: Straight man, portrayed by Bruce Davison; minor character with 3 appearances
- Husband/ex-husband of Phyllis Kroll
- Father of Molly Kroll
- Molly Kroll: Bisexual, portrayed by Clementine Ford (real-life daughter of Cybill Shepherd).
- Daughter of Phyllis and Leonard Kroll.
- "Girl crush" on Shane McCutcheon, and later slept with her
- Phyllis Kroll: Lesbian, portrayed by Cybill Shepherd.
- Wife/ex-Wife of Leonard Kroll
- Mother of Molly
- Had her first lesbian infatuation/relationship with Alice.
- On again, off again relationship with her first divorce attorney, Joyce Wischnia.
- Aaron Kornbluth: Straight, portrayed by Brian Markinson, introduced in season 4
- Executive for Shaolin Productions
- Worked with Tina and Jenny during the film-making Lez Girls
- Partnered with William and Adele at the end of Season 5
Read more about this topic: List Of The L Word Characters