Katey Sagal Joins 'Best Medicine' Season 2 as Recurring Character

• Katey Sagal will play Kathleen Gavin, Louisa's estranged mother, in 'Best Medicine' Season 2.
• Sagal, known for 'Sons of Anarchy' and 'The Abandons', will appear in multiple episodes later this season.
• She is returning to Fox, where she previously starred in 'Married... With Children' and voiced a character in 'Futurama'.
• Kathleen Gavin is described as combative, conniving, and unwelcome in the show's setting, Port Wenn.
• Sagal's character will interact with Abigail Spencer's Louisa, adding complexity to the storyline.