Jayne Brook

Jayne Brook, born Jane Anderson, is an American actress known for her roles in popular TV shows. She gained recognition as Dr. Diane Grad on the medical drama Chicago Hope, appearing as a series regular for five of the show's six seasons. From 2000 to 2002, she portrayed Mary Ann Mitchell on The District. Recently, Brook has had a recurring role as Starfleet Vice Admiral Katrina Cornwell in the series Star Trek: Discovery. Prior to her TV career, she acted in Britain's regional theaters and worked as a model. Brook made her film debut in Superman IV: The Quest for Peace in 1987. She graduated from Duke University with a bachelor's degree and is married to actor and director John Terlesky, with whom she has two daughters.