Jayne Brook
Acting · 65 years old
Northbrook, Illinois, USA
Jayne Brook (born September 16, 1960) is an American actress, best known for her roles as Dr. Diane Grad on the medical drama Chicago Hope, as a series regular for five of the show's six seasons, and Mary Ann Mitchell on The District from 2000 to 2002. Between 2017 and 2019, Brook had a recurring role as Starfleet Vice Admiral Katrina Cornwell in the series Star Trek: Discovery.
Known For
Grey's Anatomy
Gwen Graber
Castle
Claudia Peterson
Rizzoli & Isles
Senator Valerie Bloomfield
Boston Legal
Rachel Lewiston
CSI: Miami
Mia Eckhart
NCIS
Lyndi Crawshaw
Revenge
Loretta Deaton
Everwood
Mrs. Rogers
Gattaca
Marie Freeman
Private Practice
Dr. Meg Porter
Early Edition
Dr. Diane Grad
John Doe
Jamie Avery
Chicago Hope
Diane Grad
Without a Trace
Anne Atkins
Brothers and Sisters
Bertha Wandell
Star Trek: Discovery
Admiral Katrina Cornwell
The District
Mary Ann Mitchell
Eli Stone
Rebecca Green
In the Best of Families: Marriage, Pride & Madness
Kathy
Searching for David's Heart
Claire Deeton, Darcy's mother