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 Joan
as Katrina Cornwell(12 eps)
as Katherine
as Loretta Deaton(1 ep)
as Senator Valerie Bloomfield(1 ep)
as Tina
as Claudia Peterson(1 ep)
as Rebecca Green(1 ep)
as Dr. Meg Porter(5 eps)
as Bertha Wandell(3 eps)
as Gwen Graber(1 ep)
as Claire Deeton, Darcy's mother
as Rachel Lewiston(4 eps)
as Maureen Robinson
as Lyndi Crawshaw(1 ep)
as Anne Atkins(1 ep)
as Mia Eckhart(1 ep)
as Jamie Avery(21 eps)
as Mrs. Rogers(2 eps)
as Wendy Miller(7 eps)
as Mary Ann Mitchell(23 eps)
as Alison Shaeffer
as Abby Jacobs(4 eps)
as Kat
as Hannah Berrick
as Marie Freeman
as Dr. Diane Grad(1 ep)
as Jill
as Lydia
as Jane Jansen
as Irma Millard / Hermit of the Lagoon
as Claire
as Diane Grad(103 eps)
as Paula
as Sarah Berkezchuk(13 eps)
as Karen
as Carolyn
as Zach's Mother
as Ann Hudson(13 eps)
as Teacher - JFK High School
