Jamie-Lynn Sigler returns to television, joining "Grey's Anatomy" for its 22nd season as Dr. Laura Kaplan, a urologist with multiple sclerosis in a role specifically created to reflect Sigler's own health journey.Sigler, who has openly discussed her
MS diagnosis since 2016, will debut on January 15, 2026, and also announced her upcoming memoir, "
And So It Is," detailing her experiences with
MS, fame, and other personal challenges.