
Actor
Jayne Brook
Born 1960 · 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.
Acting

Grey's Anatomy
Gwen Graber · 2005

Gattaca
Marie Freeman · 1997

Castle
Claudia Peterson · 2009

NCIS
Lyndi Crawshaw · 2003

CSI: Miami
Mia Eckhart · 2002

Star Trek: Discovery
Admiral Katrina Cornwell · 2017

Revenge
Loretta Deaton · 2011

Rizzoli & Isles
Senator Valerie Bloomfield · 2010

Kindergarten Cop
Zach's Mother · 1990

Boston Legal
Rachel Lewiston · 2004

Private Practice
Dr. Meg Porter · 2007

Everwood
Mrs. Rogers · 2002

Without a Trace
Anne Atkins · 2002

Don't Tell Mom the Babysitter's Dead
Carolyn · 1991

Early Edition
Dr. Diane Grad · 1996

Brothers and Sisters
Bertha Wandell · 2006

John Doe
Jamie Avery · 2002

Superman IV: The Quest for Peace
Teacher - JFK High School · 1987

Chicago Hope
Diane Grad · 1994

Eli Stone
Rebecca Green · 2008

Last Dance
Jill · 1996

Bye Bye Love
Claire · 1995

Clean Slate
Paula · 1994

Imagine That
Wendy Miller · 2002