
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.

as Mia Eckhart

as Gwen Graber
2005

as Lyndi Crawshaw
2003

as Mia Eckhart
2002

as Claudia Peterson
2009

as Mrs. Rogers
2002

as Anne Atkins
2002

as Rachel Lewiston
2004

as Senator Valerie Bloomfield
2010

as Diane Grad
1994

as Admiral Katrina Cornwell
2017

as Bertha Wandell
2006

as Dr. Meg Porter
2007
as Maureen Robinson
2004

as Katherine
2017
as Tina
2010

as Claire Deeton, Darcy's mother
2004

as Maureen Robinson
2004

as Alison Shaeffer
2000

as Kat
1998

as Hannah Berrick
1998

as Marie Freeman
1997

as Jill
1996

as Lydia
1996

as Jane Jansen
1996

as Irma Millard / Hermit of the Lagoon
1995

as Claire
1995

as Paula
1994

as Kathy
1994

as Karen
1992

as Carolyn
1991

as Zach's Mother
1990

1989

as Teacher - JFK High School
1987
as Mia Eckhart
1 ep.

as Gwen Graber
1 episodes

as Lyndi Crawshaw
1 episodes

as Mia Eckhart
1 episodes

as Claudia Peterson
1 episodes

as Mrs. Rogers
2 episodes

as Anne Atkins
1 episodes

as Rachel Lewiston
4 episodes

as Senator Valerie Bloomfield
1 episodes

as Diane Grad
103 episodes

as Admiral Katrina Cornwell
12 episodes

as Bertha Wandell
3 episodes

as Dr. Meg Porter
5 episodes

as Loretta Deaton
1 episodes

as Dr. Diane Grad
1 episodes

as Mary Ann Mitchell
23 episodes

as Rebecca Green
1 episodes

as Jamie Avery
21 episodes

as Sarah Berkezchuk
13 episodes

as Ann Hudson
13 episodes

as Wendy Miller
7 episodes