Jayne Brook

Biography

Jayne Brook is a veteran actress with over three decades of experience in television and film. She is best known for her roles as Dr. Diane Grad on the medical drama Chicago Hope and Mary Ann Mitchell on The District, as well as her recurring part as Starfleet Vice Admiral Katrina Cornwell in Star Trek: Discovery. Brook has also appeared in several notable films, including Superman IV: The Quest for Peace and Mind Games.