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Jayne Brook
Acting
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
2005

NCIS
2003

CSI: Miami
2002

Boston Legal
2004

Castle
2009

Without a Trace
2002

Rizzoli & Isles
2010

Star Trek: Discovery
2017

Everwood
2002

Chicago Hope
1994

Private Practice
2007

Brothers and Sisters
2006

Revenge
2011

Early Edition
1996

Eli Stone
2008

John Doe
2002

Gattaca
1997

Superman IV: The Quest for Peace
1987

Kindergarten Cop
1990

Don't Tell Mom the Babysitter's Dead
1991

Ed
1996

Bye Bye Love
1995

Clean Slate
1994

Last Dance
1996
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