Jamie-Lynn Sigler will play a doctor with multiple sclerosis (MS) in Grey's Anatomy.
The 44-year-old actress - who revealed in 2016 that she had been diagnosed with the neurological condition in 2002 - has landed a guest role in the medical drama as urologist Dr. Laura Kaplan and her first TV role in three years will come when she appears in an episode titled Heavy on Me on 15 January.