
Jayne Brook
Department: Acting
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.
Known For

Kindergarten Cop
1990

Gattaca
1997

Clean Slate
1994

My Mother the Spy
2000

The Robinsons: Lost in Space
2004

Into My Heart
1998

Searching for David's Heart
2004

Ed
1996

The Four Diamonds
1995

Last Dance
1996

Don't Tell Mom the Babysitter's Dead
1991

In the Best of Families: Marriage, Pride & Madness
1994

Mind Games
1998

A Brother's Promise: The Dan Jansen Story
1996

The Sweet Life
2017

Doing Time on Maple Drive
1992

Superman IV: The Quest for Peace
1987

Bye Bye Love
1995

Look at Me Again
2010

Castle
2009

The District
2000

John Doe
2002

CSI: Miami
2002

NCIS
2003

Chicago Hope
1994

WIOU
1990

Sirens
1993

Imagine That
2002

Rizzoli & Isles
2010

Brothers and Sisters
2006

Grey's Anatomy
2005

Star Trek: Discovery
2017

Revenge
2011

Everwood
2002

Without a Trace
2002

Private Practice
2007

Eli Stone
2008

Early Edition
1996

Boston Legal
2004