Jayne Brook
Biography
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.
Movies 21
Gattaca
as Marie Freeman
1997
Superman IV: The Quest for Peace
as Teacher - JFK High School
1987
Kindergarten Cop
as Zach's Mother
1990
Don't Tell Mom the Babysitter's Dead
as Carolyn
1991
Last Dance
as Jill
1996
Ed
as Lydia
1996
Bye Bye Love
as Claire
1995
Doing Time on Maple Drive
as Karen
1992
Clean Slate
as Paula
1994
The Robinsons: Lost in Space
as Maureen Robinson
2004
In the Best of Families: Marriage, Pride & Madness
as Kathy
1994
My Mother the Spy
as Alison Shaeffer
2000
The Endless Game
1989
A Brother's Promise: The Dan Jansen Story
as Jane Jansen
1996
The Sweet Life
as Katherine
2017
Into My Heart
as Kat
1998
Mind Games
as Hannah Berrick
1998
Look at Me Again
as Tina
2010
I Should Be Going
as Joan
2026
The Four Diamonds
as Irma Millard / Hermit of the Lagoon
1995
Searching for David's Heart
as Claire Deeton, Darcy's mother
2004TV Shows 21
Grey's Anatomy
as Gwen Graber
2005
NCIS
as Lyndi Crawshaw
2003
CSI: Miami
as Mia Eckhart
2002
Castle
as Claudia Peterson
2009
Boston Legal
as Rachel Lewiston
2004
Without a Trace
as Anne Atkins
2002
Rizzoli & Isles
as Senator Valerie Bloomfield
2010
Star Trek: Discovery
as Katrina Cornwell
2017
Brothers and Sisters
as Bertha Wandell
2006
Chicago Hope
as Diane Grad
1994
Private Practice
as Dr. Meg Porter
2007
Everwood
as Mrs. Rogers
2002
Revenge
as Loretta Deaton
2011
Early Edition
as Dr. Diane Grad
1996
The District
as Mary Ann Mitchell
2000
Eli Stone
as Rebecca Green
2008
Sports Night
as Abby Jacobs
1998
John Doe
as Jamie Avery
2002
Sirens
as Sarah Berkezchuk
1993
WIOU
as Ann Hudson
1990
Imagine That
as Wendy Miller
2002