1960Born, Northbrook
42Credits
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 AnatomyGwen Graber
GattacaMarie Freeman
Kindergarten CopZach's Mother
NCISLyndi Crawshaw
CastleClaudia Peterson2026I Should Be GoingJoanMovie
2017The Sweet LifeKatherineMovie
2011RevengeLoretta Deaton · 1 episodeShow
2010Rizzoli & IslesSenator Valerie Bloomfield · 1 episodeShow
2010Look at Me AgainTinaMovie
2008Eli StoneRebecca Green · 1 episodeShow
2007Private PracticeDr. Meg Porter · 5 episodesShow
2006Brothers and SistersBertha Wandell · 3 episodesShow
2004Searching for David's HeartClaire Deeton, Darcy's motherMovie
2004Boston LegalRachel Lewiston · 4 episodesShow
2004The Robinsons: Lost in SpaceMaureen RobinsonMovie
2002John DoeJamie Avery · 21 episodesShow
2002EverwoodMrs. Rogers · 2 episodesShow
2002Imagine ThatWendy Miller · 7 episodesShow
2000The DistrictMary Ann Mitchell · 23 episodesShow
2000My Mother the SpyAlison ShaefferMovie
1998Sports NightAbby Jacobs · 4 episodesShow
1998Into My HeartKatMovie
1998Mind GamesHannah BerrickMovie
1997GattacaMarie FreemanMovie
1996Early EditionDr. Diane Grad · 1 episodeShow
1996Last DanceJillMovie
1996EdLydiaMovie
1996A Brother's Promise: The Dan Jansen StoryJane JansenMovie
1995The Four DiamondsIrma Millard / Hermit of the LagoonMovie
1995Bye Bye LoveClaireMovie
1994Chicago HopeDiane Grad · 103 episodesShow
1994Clean SlatePaulaMovie
1994In the Best of Families: Marriage, Pride & MadnessKathyMovie
1993SirensSarah Berkezchuk · 13 episodesShow
1992Doing Time on Maple DriveKarenMovie
1991Don't Tell Mom the Babysitter's DeadCarolynMovie
1990Kindergarten CopZach's MotherMovie
1990WIOUAnn Hudson · 13 episodesShow
1989The Endless GameMovie
1987Superman IV: The Quest for PeaceTeacher - JFK High SchoolMovie
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