Jayne Brook
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
NCIS
2003
Grey's Anatomy
2005
CSI: Miami
2002
Castle
2009
Without a Trace
2002
Chicago Hope
1994
Boston Legal
2004
Rizzoli & Isles
2010
Everwood
2002
Star Trek: Discovery
2017
Brothers and Sisters
2006
Revenge
2011
Private Practice
2007
The District
2000
Early Edition
1996
Gattaca
1997
Eli Stone
2008
Sports Night
1998
John Doe
2002
Superman IV: The Quest for Peace
1987
Kindergarten Cop
1990
Sirens
1993
Don't Tell Mom the Babysitter's Dead
1991
Last Dance
1996